Related Clues:

• Does some impromptu singing
• Sings like Ella Fitzgerald
• Sings like Fitzgerald
• Scampers away
• Dashes off
• Slides (over), as on a bench
• Leaves hurriedly
• Scurries away
• Forgoes the lyrics, jazz-style
• Improvises, in a way
• Gets jazzy vocally
• Sings jazz sans lyrics
• Improvises jazzily
• Does some jazz singing
• Sings like Kurt Elling