Related Clues:

• One with a big bell
• Snare or bass, e.g.
• Hefty instrument
• Marching-band instrument
• Musical instrument
• Starr-struck object?
• Part of the back of an orchestra
• The BB contrabass, e.g.
• Oom-pah-paher
• You can beat it
• Euphonium relative
• See 57 Down
• Bulky horn
• One of the brass
• Ear piece?