Combined mounting ring and thumbrest for a musical instrument

Combined music box and holder therefor

Combined music holder, page turner and foot pedal

Combined musical instrument and microphone

Combined musical triangle and a stand

Combined set of musical instruments and support therefor

Combined stringed instrument and keyboard

Combined tailpiece, bridge and mute unit for a guitar or the lik

Combined tone intensifier and mouthpiece for brass musical instr

Combined violin, shoulder pad and chin rest

Compact guitar tool

Compact pedal board for electronically-operated musical instrume

Compressible guitar pick

Conductor's illuminated baton

Congo stand

Contoured guitar

Control panel for an electric guitar or the like

Control panel for an electric guitar or the like

Controller

Coupling rod for a flute operating system