Related Clues:

• Travelling at Mach One is mostly extremely pleasurable
• Using waves in entertainments on ice?
• Using sound waves
• Very pleasant short sort of boom
• Using sound that's perfectly delightful when abbreviated
• Sort of boom very pleasant after cutting back
• Some cappuccino served up extra quick
• Pertaining to sound
• ___ boom (airplane effect)
• Chain that claims to be 'America's Drive-In'
• Seattle hoopster, once
• "Super" or "ultra" ender
• Loud and deep in timbre
• Resonant lad had nothing that could be ours
• Lad in charge of sound