Answer: trilled

AnswerCrossword Clue
TRILLED

Emulated Joan Sutherland

TRILLED

Sang quaveringly

TRILLED

Emulate a canary

TRILLED
Warbled
TRILLED
Sang.
TRILLEDSang in a certain way.
TRILLEDWarbled.
TRILLEDSang
TRILLEDSang a vibrato
TRILLEDSang like a bird