Abstract: A guitar having four strings, two frets and an attachment pivotally mounted between the frets whereby the three principal chords of any key to which it has been tuned may be obtained clearly.

Abstract: The present invention discloses a stringed musical instrument. The stringed musical instrument comprises a body having a string-slider nut assembly; a neck having a rectangular slot; a T-bar assembly having a plurality of holes fastened securely in the rectangular slot of the neck of the instrument; a finger board consisting of a plurality of rectangular pieces forming a plurality of lengthwise spaced recesses when the rectangular pieces are placed adjacent to each other, wherein the fingerboard is placed upon the T-bar assembly, and tubular barrel frets are secured firmly in the lengthwise space recesses formed in the fingerboard with barrel fret screws. The string-slider nut assembly includes a number of pulleys, through which a given string passes so that the string can be stretched to produce a high pitch and a "sliding" musical tone, as may be desired.

Abstract: A guitar assembly including an elongated, channel-shaped, open-top, neck body upon which are mounted a plurality of longitudinally spaced, transversely disposed, free-spanning fret bars.

Abstract: A frame in which the body of a string instrument is supported, the frame having a main bar extending longitudinally in spaced relation to the back of the instrument body. The frame extends with end-pieces adapting to the ends of the said body, such end-pieces having clips applicable to the said ends by way of semi-hard inserts to dispose the body floatingly. One end-piece also extends with the neck and fret or string board of the instrument, while the other end-piece returns with a tail piece receiving the inner ends of the strings and formed as a bridge. The main bar is longitudinally adjustable for different lengths of instrument bodies.