Related Clues:
- Musical astronaut Lance
- Low notes
- Paul McCartney played it for the Beatles
- Grouper, e.g.
- Voice below baritone
- Bigmouth, for one
- Clef below middle C
- Gas alternative
- He hits low pitches
- Barbershop necessity?
- Source of low pitches?
- Wide-mouthed fish
- Barry White, notably
- It's deep
- General in charge of utilities?