Adjustable venturi for a drum

Adjustble cymbal holder with push-on clutch

Adjusting assembly for a drum support in a marching band

Adjusting structure for musical instrument supporters

Adjustment assembly for a musical drum

Adjustment for drum snare

Anchor device for bass drum

Anchoring devices for percussion musical instruments

Anchoring structure for telescopic tubes of drum sets

Angle adjustment device for cymbal mounting frames

Angularly adjustable floor tom stand

Anti-friction drum strand selective tensioner

Anti-friction drum strand tensioner

Anti-rotation counterhoop-fixing structure for drum

Apparatus and method for mounting a head on a musical instrument

Apparatus for modifying the percussive sound emanating from a dr

Apparatus for mounting a percussion instrument

Aroma drumhead

Attachment of support leg for base drum

Automatic set-up, collapsible electronic drum set