Answer: descant

AnswerCrossword Clue
DESCANT

Melody above the theme

DESCANT

Comment at length

DESCANT

The soprano part.

DESCANT
Talk at length.
DESCANT
Melodic variation.
DESCANTSing.
DESCANTCounterpoint melody.
DESCANTWarble
DESCANTComment expansively
DESCANTMelody
DESCANTAdded upper melody
DESCANTMusical counterpoint
DESCANTDecorative melody added above a simple musical theme