Answer: scats

AnswerCrossword Clue
SCATS

Copies Cab Calloway

SCATS

Hightails it

SCATS

Sings nonsensically

SCATS
Sings like Ella
SCATS
Improvises, in a way
SCATSImprovises with nonsense syllables
SCATSSkedaddles
SCATSImprovises like Armstrong
SCATSDoes some impromptu singing
SCATSSings like Ella Fitzgerald
SCATSStray chasers
SCATSTakes off
SCATSImprovises like Ella
SCATSBeats it
SCATSLeaves in a hurry
SCATSTakes a powder
SCATSImprovises vocally
SCATSGets lost
SCATSHurries away
SCATSLeaves
SCATSLeaves quickly
SCATSScampers away
SCATSEmulates Ella Fitzgerald
SCATSImprovises nonsense syllables
SCATSShoos cats.
SCATSChases kitty away.
SCATSDrives off.
SCATSShoos.
SCATSLeaves in a hurry.
SCATSOld-time taxes.
SCATSGets gone fast.
SCATSWhat a cat does (or doesn't).
SCATSShoos
SCATSImprovises in jazz
SCATSVamooses
SCATSJazz frills
SCATSExits hastily
SCATSHurries off
SCATSShoos away
SCATSGoes on the lam