Figure toy having tuned sound producers and indicia

Finger placement sensor for stringed instruments

Finger rest for recorder

Fingering guide for string instrument (finger finder)

Fingering information analyzer and electronic musical instrument

Fingering information analyzer, electronic musical...

Fitness fingerboard for guitarists

Fixed-location method of musical performance and a musical...

Folding table cover for handbells

Foot operated audio signal controller with lighted visual refere

Four-channel color organ

Frequency detecting apparatus

Frequency display for an automatically tuned stringed instrument

Frequency display for an automatically tuned stringed instrument

Frequency spectrum conversion to natural harmonic...

Fret refinishing apparatus and method

Full color LED based lighting apparatus operated in...

Function guide in electronic musical instrument

Game controller simulating a musical instrument

Gated electronic metronome