Abstract: A mobile wireless communication terminal includes a wireless communication module and a controller. The wireless communication module is configured to communicate with other communication terminals over a wireless interface. The controller is configured to establish a connection with a participant wireless communication terminal via the wireless communication module, to maintain a play list representing song files to be played, to receive a participant song identification from the participant wireless communication terminal, wherein the participant song identification corresponds to a participant song file stored on the participant wireless communication terminal, to add the participant song identification to the play list, and to thereafter execute playback of the song files represented by the play list, including retrieving the participant song file from the participant wireless communication terminal for playback.

Abstract: A musical instrument body is provided with an array of keys at a front portion of the musical instrument body, and side plates at both side portions of the musical instrument body. A keyboard lid is mounted in the musical instrument body slidably between a closed position for covering the array of the keys and an open position for exposing the array of the keys. In case that the keyboard lid is shifted to the open position from the closed position, a front lid section moves rearward along a first guide recess together with a rear lid section, and when the rear lid section reaches a rearmost position, a rear lid supporting part is positioned in a second guide recess, while a front lid supporting part moves from the first guide recess to a third guide recess at a branch point according to release of connection between the front lid section and the rear lid section, and subsequently the front lid section is guided along the third guide portion.

Abstract: A protective cover for use with a stringed musical instrument comprises a roof-like shaped shield body attachable to the stringed instrument to protect the most sensitive parts and areas at and around the vertically mounted bridge, the string combination and other parts attached to the body of the instrument. The shield body has a concave bottom side and an inner string channel open to the bottom side and designed to accomodate the bridge and the strings. The shield body is made of elastically deformable material and has on its sligtly arched bottom side within an intermediate zone thereof locking projections designed to engage instrument recesses and projections, the latter being formed e.g. by a fingerboard end portion an the space therebelow.

Abstract: An accessory kit for use with a piano of the grand or baby-grand type. The accessory kit includes a dolly which can support a piano in addition to supporting a footrest railing in a surrounding relationship to the legs of the piano, and a removable counter top or bar that can be mounted to the sound box of the piano. With the accessory kit patrons can sit around the piano and sing along while consuming their drinks and food in comfort.