U-joint for double pedal

Ukelele made from koa and coconut shells

Umbrella music box accessory

Unbreakable and economical optical sensor array and keyboard...

Undersaddle pickup for stringed musical instrument

Unified tone generation in a polyphonic tone synthesizer

Unique sounding drum

Unitary guitar construction

Unitary guitar construction

Unitary guitar construction

Unitary pick having multiple picking surfaces

Universal audio communications and control system and method

Universal body pad for string musical instrument

Universal digital media communications and control system...

Universal digital media communications and control system...

Universal keyboard for hand

Universal ligature suitable for many instruments

Universal microcomputer chip for electronic musical machine

Universal mute for vertical pianos

Universal piano action striking vertical and horizontal...