Related Clues:

• Producing sound
• Block sliding in hollow cylinder in machinery etc
• First from ship one notices in centre of sound
• Hibernian, for one
• Breton, e.g
• Videogame hedgehog
• The Spanish in court to see one of us
• Gaelic speaker
• Title character in a Sega game
• Other side of coins relate to sound waves
• Certain wasp
• Charlotte pro
• Irish or Welsh ancestor
• ''America's Drive-In''
• Boston player, for short