| 摘要 |
A double-headed musical percussion instrument comprises a quick removable substitute drum head mounted at one end of a drum shell and adapted to closely emulate the sound of a conventional drum while at the same time providing the structural rigidity required to transport other instruments inside of the drum shell. The invention further includes a quick removable support mechanism which is adapted to support a small bass drum in a raised position over the floor. The support mechanism also enables the adjustment of the axial position of a bass drum pedal assembly with respect to the bass drum thereby making the pedal action more comfortable to the user.
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