An improved drum

Anchor bracket for musical instrument strings

Anchor for musical instrument strings

Anchor for musical instrument strings

Anchor for musical instrument strings and method for...

Apparatus and method for adjusting single reeds for musical...

Apparatus and method for vibrating stringed musical instruments

Apparatus for providing a ball end on a guitar string

Apparatus for restraining and fine tuning the strings of a...

Apparatus for use when playing a stringed instrument

Arm-operated sound effect device for plucked instrument

Arrangement of a sound hole and construction of a sound hole...

Arrangement of a sound hole and construction of a sound...

Atomic cross linked reeds

Automatic auxiliary tuning device

Automatic chorder for stringed instruments

Automatic musical instrument tuning system

Automatic string instrument tuner

Autry tremolo

Axial flow valve