Abstract: The DAMONN music notation system creates a simple alphanumericals on the music staves for ease of reading, writing, teaching and learning music. The system, methods and teaching aids of the DAMONN music notation system had been adapted for all musical instruments in the family categories of keyboard, string, brass and woodwind, and percussion instruments.

Abstract: The present invention relates to a music chords conversion device. The device is used for providing instant representation showing conversion or correlation of major chords to minor chords and vice versa. The device can come in two variants (1) a physical device (2) a digital device. The physical device has a chords conversion component and a minor chords component wherein the minor chords component is configured to slide into the chords conversion component through a cut-out opening. The minor chords can be correlated to the major chords and displayed in a viewing region of the chords conversion component. The digital device includes a memory for storing the chords conversion and also includes a digital display for displaying the converted minor and major chords.

Abstract: A device for presentation of musical concepts includes a scale plate having a periodical 12-step scale with equally spaced symbols for 12 notes with half-note intervals, wherein symbols of 12 consecutive notes form an octave. The device also includes at least one pointer plate, which includes a start symbol. The pointer plate is configured to revolve with respect to the scale such that the start symbol is settable to align with the symbol of any of the 12 notes of the scale. The pointer plate includes 7 pointers specific to a given class of keys wherein, when the start symbol points to a base note of a key, the pointers specific to the class of keys point to the symbols of the notes of the key beginning at the base note.

Abstract: There are provided visual displays for graphically showing on a visual representation of a guitar fretboard a location relationship between a given chord and its chord tones as well as for graphically showing on a visual representation of a guitar fretboard a location relationship between a given position and its scale tones. The present disclosure also relates to a method for visually expressing, on a visual representation of a guitar fretboard, the location relationship between a given chord, its chord tones and its scale tones, in a given key; a music notation method for representing a location relationship between a given chord, its chord tones and the scale tones of the scale to which said given chord belong, on a visual representation of at least a portion of a guitar fretboard; and visual display for expressing musical harmonic functions.

Abstract: An instructional and reference device, for use by violinists, violists, and cellists, is constructed using an outer sleeve or pocket with a sliding panel. The outer sleeve has a larger and a smaller opening, each positioned to reveal information imprinted on the sliding panel. The information revealed through the smaller opening may include musical keys and key signatures. The outer sleeve is imprinted with the names of the strings above the larger opening, through which is revealed the appropriate fingering used on each string when playing in the musical key displayed in the smaller opening of the outer sleeve. Several different inner panels can be used in this musical slide rule, making available fingering information relevant to violin, viola, cello, and/or variants thereof, for different hand positions on these instruments; different inner panels can be used to display fingering information for various positions on the fingerboards of these instruments.

Abstract: An instructional and reference device, for use by violinists, violists, and cellists, is constructed using an outer sleeve or pocket with a sliding panel. The outer sleeve has a larger and a smaller opening, each positioned to reveal information imprinted on the sliding panel. The information revealed through the smaller opening may include musical keys and key signatures. The outer sleeve is imprinted with the names of the strings above the larger opening, through which is revealed the appropriate fingering used on each string when playing in the musical key displayed in the smaller opening of the outer sleeve. Several different inner panels can be used in this musical slide rule, making available fingering information relevant to violin, viola, cello, and/or variants thereof, for different hand positions on these instruments; different inner panels can be used to display fingering information for various positions on the fingerboards of these instruments.

Abstract: A slide rule for music includes a first element that includes a first set of indicia representing in linear form the structures of a plurality of musical scales, chords and/or modes, and a second element that includes a second set of indicia representing the names of the notes of a chromatic scale. The second element is constructed and arranged for movement relative to the first element in two orthogonal directions, so as to indicate the relationship between the notes of the chromatic scale and the structure of a selected one of the musical scales, chords, and/or modes.

Abstract: An algorithmic combo-instrument slide ruler comprising one common part working in cooperation with two interchangeable parts selected from separate multitudes of unique yet related parts. An opaque slidable combo-instrument tuning card is selected having thereon information resembling a stringed instrument, having fingering positions represented in equivalent keyboard keys laid out in a multi-tier octave isolating manner. A semi-opaque rectangular sleeve housing comprising of parent and dependant child windows arranged in a reticulated manner, working within stationary alignment with a selected semi-opaque scale or mode insert comprising of a scale or mode relevant predetermined array of finger position windows and dependant finger position data boxes, allows for a visible and semi-visible view of the combo-instrument card there through, showing available fingering positions through parent windows and music reference information through relevant child windows.

Abstract: An instructional device for use by music students is constructed as an outer sleeve having a slide member fitted within it. The outer sleeve has first and second sets of openings and is imprinted with a representation of a piano keyboard. The slide member has alphabetic representations of musical notes showing through the first set of openings as the slide member is moved. One alphabetic representation shows the musical key selected and seven others display the notes of the chromatic scale and major and minor chords associated with that key. A first series of markings sized and located to show through the second set of openings will indicate the piano keys related to the chromatic scale selected. Additional sets of openings and markings on the slide member indicate the piano keys associated with the major and minor chords selected. These piano keys shown by colored markings or specially shaped openings.

Abstract: A scale indicator has a key selecting device and multiple illuminating devices. The key selecting device is arranged on the keybed of the keyboard. The player can use the key selecting device to choose the musical key for the music that he or she wants to play. Each illuminating device is electrically connected to the key selecting device and corresponds to one of the keys of the keyboard instrument. The illuminating devices will show a note for the corresponding key after the player sets the key selecting device to a desired musical key. This can show the player the notes to which the keys of the keyboard respectively corresponded. To learn the keyboard instrument becomes easier.

Abstract: A rotary disk calculator and educational aid is provided to assist in learning and understanding the relation between various musical keys on an instrument according to the circle of fifths system. A base plate member or disk is divided into twelve root key positions. An intermediate or second disk or template is concentrically mounted on the base disk. The structure of the second disk is alignable at various positions with each of the root key positions on the base plate. Indicators are formed on the second disk for ease of alignment. When aligned with a particular root key position, the second disk indicates the key signature (specific sharps or flats) that a piece of music has in that key; the number of whole or half steps between notes; notes for chords used in that key; and any special relationship linking certain of the notes.

Abstract: Disclosed is apparatus comprising at least two elements whose positions relative to each other are alterable, and in which at least a portion of each element is visible during use of the apparatus, and wherein a first of said elements exhibits an indicated sequence, and a second of said elements exhibits at least one of a group of musical representations comprising:an alphabetic representation of musical notes;a representation of a keyboard;a representation of finger positions on an instrument;an accepted musical notation;and wherein the relative positions of said first and second elements may be altered so that correlating said indicated sequence with a said musical representation indicates at least one of a scale or chord. Various embodiments of apparatus may be used in determining scales, and variations and modes thereof, find use in creating and determining chords, find use in key transposition and/or determining fingering on keyboards and frets.

Abstract: A musical slide rule having a slide rule body in the form of a flattened sleeve having two flat surfaces defining a front and back side at two substantially parallel edges and having two open opposing ends. The front and back sides have spatially arranged (horizontally and vertically) apertures and music data printed thereby for displaying cooperative music data which is printed on a flat slide which is inserted through and between the front and back side of the slide rule body at one of the two opposing ends. The slide is operatively positioned by the user to display a correlation between the music data of the slide (showing through the apertures of the slide rule body) and the music data of the rule body.

Abstract: A transposition rule for musical theory for the visual indication of the sequence of notes of musical scales and/or chords in the various keys of a tone system. The transposition rule includes an elongated base member which is provided with fixed scales, wherein the scales include the notes of the tone system arranged with a uniform division, and replaceable sliding scales which are displaceably guided in the base member and are provided with the sequences of notes of the musical scale and of the chords in a division corresponding to the division of the fixed scales. The slide member is arranged in the base member in an on-edge position.

Abstract: A music learning aid has a base and a sliding template. The template has windows which allow viewing of musical information imprinted on the base at different positions. Each position is selected by being able to view a keynote through a window so that the cut-out slots in the template then show the musical information for that keynote and scale or chord. The musical information may include the musical notation and the musical instrument playing instructions. In another embodiment, a learning aid takes the form of an electronic calculator where different information sets may be displayed on a liquid crystal display according to instructions inputted on a keypad.

Abstract: A teaching device for stringed instruments is provided. The teaching device has an elongate board having grooved rails extending in spaced parallel relation along the longitudinal edges of the board for receiving templates. A template card depicting the string, note and fret configuration of the particular stringed instrument being used is first inserted into the grooves of the rails. A second transparent key template is inserted in the grooves over the first template card. The transparent key template has indicating indicia which indicates the proper notes to be played in the chosen key. The board is removably fastened to the neck of the stringed instrument.

Abstract: A music chord indicating calculator assists in determining finger placement to play musical chords on a multi-stringed musical instrument containing a finger board. The device has an outer slide member and an inner base member which slides through the outer slide member. The slide member contains a number of columns of spaced viewing ports on both side faces. The inner base member has a number of columns of spaced indicia which are coded to correspond to various chords. A chord selector has one of the indicia on a column of indicia on the base member and can be viewed through a viewing port which has a chord identifying name associated with it. By sliding the base member and slide member relative to each other such that chord selector is viewed through a viewing port which identifies a chord by name, the finger placement of that chord can be viewed through the viewing ports by coding of the indicia on the base member.

Abstract: A device for demonstrating musical scales and chords in various tonics for use with a fretted stringed musical instrument. A housing is of a slide-rule nature and has a transparent simulated fingerboard positioned within a display window. This fingerboard is reticulated, with an imprinted series of uniformly-spaced parallel string lines extending longitudinally and representing the strings of the instrument. These lines are regularly interrupted by an imprinted series of position alignment indicia and tone letters. A series of uniformly-spaced printed parallel lines transverse the longitudinal lines and represent the nut and frets of the instrument. Additional display windows disclose a plurality of related information; these windows are used primarily to identify certain tonal characteristics. A plurality of displaceable medial sliding members is provided, each having a system of tone indicators printed in a predetermined manner. These indicators are used to identify tonality.

Abstract: This invention relates to a calculator and is more specifically concerned with a calculator for enabling a musician to visualize and organize transitions between scales, modes, etc.The present invention provides a calculator having musical notation in which the notes are equi-spaced and arranged in parallel rows on respective elements each of which is independently movable in the direction of the row with respect to neighboring elements, masks overlapping respective elements and individually movable in the direction of the row of notes on the element beneath, each mask corresponding to a particular musical scale or mode and having opaque and transparent sections alternating with one another to expose through the mask only those notes of the row beneath which are used in the scale or mode denoted by the mask.The calculator may be embodied as a flat sheet or it may be cylindrical in which the parallel rows are formed into rings individually rotatable about a common axis.

Abstract: A chord progression finder for determining each and every tone of a selected musical scale in a selected key note and each and every tone of its relative musical scales, as well as the various chords playable for the selected musical scale and its relative scales, while simultaneously providing information on which keys or frets of a musical instrument are to be played for producing the indicated tones. A base has printed information pertaining to a particular musical instrument and also fingering patterns for playing tones on that instrument arranged in a predetermined sequence indicative of any number of desired musical scales.

Abstract: The musical scale indicator according to a first preferred embodiment of the present invention is composed of two cooperating parts. A base is provided having thereon printed information pertaining to a particular musical instrument and which, in addition, has printed thereon fingering patterns for playing tones on that instrument arranged in a predetermined sequence indicative of any number of desired musical scales. A slidable, clear overlay is slidably connected with the base. The overlay has printed thereon the letter designations for the musical tones arranged in a predetermined sequence so as to cooperate with the fingering patterns indicated on the base in order to selectively indicate to the user the finger positions on the subject musical instrument that will produce the tones of a selected musical scale and simultaneously the finger positions on that instrument that will produce those tones.

Abstract: A musical scale determining device which takes the form of a conventional slide rule configuration. The device includes a sheet material body. Upon both the front and back surface are printed conventional musical notes in specific arrangements. A cursor is movably mounted on the body with the cursor including a plurality of transparent windows through which are to be observed the conventional musical notes on both the front and back surfaces of the body. Movement of the cursor in various positions is to disclose to the user a wide variety of different types of musical scales.

Abstract: The apparatus includes a base associated with a rotatable display disc representing notes of a musical keyboard, such notes being separated by spaced intervals in proportion to the musical intervals of pitch between the indicated notes. The base has a longitudinally moveable section which may be brought into registry with another indicia to provide visualization of the interrelationship between musical notes. The apparatus may include a keyboard as the longitudinally moveable section, and indicia relative to the longitudinally moveable section may indicate chords relative to a base note.

Abstract: A chord speller is provided and consists of a housing with a vertical slide member and a horizontal slide member intersecting and overlapping the vertical slide member. The horizontal slide member has a plurality of musical notes thereon while the vertical slide member has a plurality of musical chords and indicators showing which of the musical notes are needed for making each of the musical chords.

Abstract: The invention pertains to musical teaching aid devices for fretted instruments such as guitar. The enclosed invention is a device in which the user builds a desired chord and is taught the form and the spelling of the chord by the use of a special embodiment which contains a perforated top piece plate in which strings and frets are represented by indica, and the bottom piece plate has indica on both sides. The top side containing indica representing the names of the musical notes which are viewed through the top perforated piece, and the back side of the bottom piece contains the chord spelling of a plurality of chord types. In between both the top and bottom piece plates is a frame, which fastens the top and bottom together and serves the purposes of allowing slides to pass through the six given spaces (inserts) in the frame.

Abstract: A Music Note Letter and Symbol Display Device which displays Music Note Letter compositions of Scales for each of the Fifteen (15) Major Keys of: C G D A E B F.music-sharp. C.music-sharp. C.music-flat. G.music-flat. D.music-flat. A.music-flat. E.music-flat. B.music-flat. and F and for each of the Fifteen (15) Minor Keys of: A E B F.music-sharp. C.music-sharp. G.music-sharp. D.music-sharp. A.music-sharp. A.music-flat. E.music-flat. B.music-flat. F C G D.The device also displays Sixteen (16) Types of Chords for each of the Fifteen (15) Chord Letters of: C G D A E B F.music-sharp. C.music-sharp. C.music-flat. G.music-flat. D.music-flat. A.music-flat. E.music-flat. B.music-flat. and F.The device can also be used to make musical transpositions from one Key/Scale/Chord to another and is used to identify the Music Note Letter compositions of twelve (12) Intervals for each of the Fifteen (15) Major Keys of: C G D A E B F.music-sharp. C.music-sharp. C.music-flat. G.music-flat. D.music-flat. A.music-flat. E.music-flat.

Abstract: A method of and a device for transforming the musical notes of a piece of music into different notes to obtain a new piece of music. The notes constituting the original piece of music are stored in an original music memory. These notes are then transformed into other notes in accordance with predetermined rules stored in a transforming means and the transformed notes are thereafter stored in a transformed music memory.

Abstract: The ruler for composing or decomposing the chords for polyphonic musical instruments is characterized in that it comprises: ruler slides (A,B,C,D,E,F,P,Q) movable with respect to each other in a given direction and each provided with inscriptions relative to the notes of the chromatic scale, respectively assigned to the fundamental, the third, the fifth, the sixth, the seven the etc. . . . of chord--a cursor (K,N) relatively movable in said given direction with respect to the ruler slides, said cursor being with a marking (L,N5) positioned to make evident one of the notes of the chromatic scale of each of the slides: one element (H) integral with the slide (A,P) assigned to evident the inscriptions relative to the musical chord searched for the invention applies to a chord ruler for polyphonic musical instrument.

Abstract: A modulation rule having a member marked with a keyboard including white keys and black keys arranged in a similar manner to that of a keyboard musical instrument, and an indication table in which the names of keys are marked, for which the keys marked on each division, from left to right, are consecutively higher by one semitone; a movable member having divisions marked with numeral notes respectively, capable of being moved to have one division thereof aligned with a first division marked with a given key to provide the indication of scale at the given key; a plurality of indicating elements arranged in a certain relation with the keyboard and capable of being adjusted to provide visual indications concerning the keys, corresponding to the indicating elements which respectively should be lowered or raised by one semitone.

Abstract: A note aid transposer for guitars and other instruments has a plurality of independent slides in a frame holding them parallel; each slide represents a separate string of an instrument; parallel with the slides but at the top of the frame a numbered fret array indication co-acts with equally spaced one-note measures therebeneath on a scale displaying the notes and below them the corresponding names of the notes; along the left side of the frame a slide retaining strip at a right angle to the fret array and overlying a portion of the slides in a position aligned with the left edge of the zero fret position has a separate open string notation for each slide; a similar strip lies to the right edge of the highest fret position but provides a different open string indication for the respective slides, which can project from either side of the frame for adjustment to the desired open string tuning position and thus indicate resultant note values at all fret locations.

Abstract: Keyboard instrument, in particular a piano or similar instrument that has keys and that can be used in conjunction with aids to learning in the form of templates, characterized in that, of the white keys (long keys 2) that form the C-major scale, the width (b) of the keys that produce the notes B, C, E, and R is 1/4 less than the width (B) of the remaining keys, which produce the notes D, G, and A, so that the ratio of the width of the equally wide keys for B, C, E, and F to the width of the equally wide keys for D, G, and A is 3:4. Templates that are separated into a number of adjacent divisions (5) that are equally wide, each division (5) being 1/2 the width (b) of one D, G, or A key, so that three adjacent divisions (5) will be as wide as two B, C, E, or F keys and two divisions (5) will be as wide as one D, G, or A key can be placed over the keyboard to represent all possible scales, thirds, triads, and tetrads with their inversions, major and minor intervals, cadenzas, transpositions, etc.

Abstract: Apparatus for composing and indicating finger pattern information for a musical stringed fingerboard instrument comprising a plurality of alignably repositionable first series of first indicia, each first series representing at least one course of said stringed fingerboard instrument, the locations of said first indicia forming a mapping image of allowable locations for fingering the respective courses of the stringed fingerboard instrument to sound musical tones.

Abstract: Method and apparatus for indicating finger pattern information for a musical stringed fingerboard instrument comprising at least one type of first indicia in a fingering pattern specified by pairs of coordinates representing allowable locations for fingering the stringed fingerboard instrument to sound musical tones of a chord or scale, and a repositionable string stop series for selecting a correlation of the ordinal number of at least one string stop of the stringed fingerboard instrument with the indicia of the fingering pattern.

Abstract: A device adapted to teach music and to indicate musical data, in particular the possible fifth chords, their localizations, their component thirds, their qualifications and the transposition from one key to another. This device includes a base member having a groove into the front face, a ruler slidable endwise in this groove, and a third member defining a transparent face slidable over the base member and the ruler; a chromatic scale is marked on the ruler; the diatonic scales of the major and minor modes are marked on the base member along the opposite edges respectively of the groove.

Abstract: A device having the general form of a simple slide rule and bearing marking on adjacent faces to teach the law of the major mode, to effect transposition from one key to another, to readily define the signature of any selected key, and to teach the intervals, their qualifications and their relationship. This device is characterized by markings adapted to perform the above functions and including a diatonic scale including the associated degrees and tetachords of the major mode, a chromatic scale on a slide running laterally adjacent to the diatonic scale, and an intervals indicator arranged adjacent the opposite side of the chromatic scale relative to the diatonic scale and having coded marks pointing toward the chromatic scale and adapted to indicate any simple and composed interval and the qualification thereof. The marking of the tetrachords and the degrees thereof allows to readily read the signature of any key merely upon registry of the key note with the first degree.

Abstract: A device of the type of a slide rule and adapted to indicate and teach musical data and, in particular, the chords, their construction and relationship, and their easy transposition from one key to another. This device includes a base member having a rectilinear groove in the front face, a ruler slidable in this groove, a chromatic scale marked on the front face of the ruler, diatonic scales of the major and its direct minor modes marked along the opposite edges respectively of the groove, and chord indicators on the front face of the base member and bearing coded identification of their interval, their localizations, their qualification, their components thirds and their distinctive notes. In a particular embodiment, the indicators indicate the major common chords and their derivatives and the pointers indicate the modal and tonal notes of each chord when concerned.

Abstract: The invention is a musical aid used to simplify the comprehension of chord inversion structure and enable the composer to more readily visualize the keyboard location and fingering of chords and their inversions used in a composition, the device having a frontal panel display of the scale tones of a particular key signature and a sliding member behind the panel which is provided with numbered, pivotal indicators to select a triad orderd in the root or an inverted position from the Scale tones on the panel, the invention including a rotatable disc on the sliding member having selectively exposeable chords displayed on the periphery thereof naming the triads and their inversions occuring in the key signature of the panel.