Related Clues:
- Printer annoyances
- They're thicker than jellies
- Plays for time, in a way
- Improvises like Ella Fitzgerald
- Printer paper problems
- Performs like Ella
- Improvises at the mic
- Imitates an instrument
- Improvises during a jazz performance
- Some copier woes
- Improvises with nonsense syllables while singing
- Does some onstage improv
- Some bands' practice sessions
- Rocks out
- Improvises some jazz vocals