Answer:

SCAT

Answer	Crossword Clue
SCAT	"Get lost, cat!
SCAT	"Get outta here!"
SCAT	Fitzgerald's forte

SCAT	Go "shooby-doo," or just "shoo"
SCAT	Shoo!
SCAT	Get outta here!
SCAT	Hit the road!
SCAT	Ella's forte
SCAT	Ella's music
SCAT	Get lost!
SCAT	Improvisational singing style

SCAT	Torme's technique
SCAT	Pouchlike structure
SCAT	Scram!
SCAT	Go away
SCAT	"Bugger off"
SCAT	"Evacuate, animal!" or what an animal evacuates
SCAT	Litter box contents
SCAT	"Go away!"

SCAT	Sing like Ella
SCAT	"Shoo!"
SCAT	Improvise, in a way
SCAT	"Beat it!"
SCAT	Amscray!
SCAT	Sing like Jarreau
SCAT	"Get lost!"
SCAT	Ella's style

SCAT	Shoo
SCAT	"Git!"
SCAT	Improvise as a vocalist
SCAT	Sing like Satchmo
SCAT	Improvise vocally
SCAT	"Go on!"
SCAT	Leave in a hurry
SCAT	"Hit the road!"

SCAT	"Move along!"
SCAT	"C'mon now, get out!"
SCAT	"Get!"
SCAT	Fitzgerald technique
SCAT	Vocalizing that imitates an instrumental solo