'Instead of having valves like a trumpet, a trombone has this to alter the pitch'
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MUSICAL INSTRUMENTS: Instead of having valves like a trumpet, a trombone has this to alter the pitch
Instead of having valves like a trumpet, a trombone has this to alter the pitch
Instead of having valves like a trumpet, a trombone has this to alter the pitch
MUSICAL INSTRUMENTS
a slide
MUSICAL INSTRUMENTS