Answer:

riff

AnswerCrossword Clue
RIFFRepeated bit in jazz
RIFFExpound (on)
RIFFSpeak extemporaneously (on)
RIFFMelodic phrase
RIFFJazz line
RIFFJazz phrase
RIFFMusical phrase
RIFFComedic spiel
RIFFTake off (on)
RIFFJazz bit
RIFFMusic bit
RIFFImprovised bit
RIFFJazz lick
RIFFBit of jazz
RIFFRepeated musical phrase
RIFFJazz theme