Related Clues:
- Cab Calloway specialty
- Improvise as a vocalist
- Ad-libbing vocal style
- Sing "shooby-doo"
- Some improvisational singing
- Tunefully, in music
- Musical passage or direction
- "Beat it, Kitty!"
- Silly singing
- Some improvised singing
- Lyrical song style
- Vocal improv style
- Order to go
- Jazz-singing technique
- Make nonsensical notes?