descant (n.)
melodious accompaniment, tuneful variation
E3 II.i.122[King Edward to Lodowick] what a world of descant makes my soul / Upon this voluntary ground of love!
R3 III.vii.48[Buckingham to Richard] stand between two churchmen ... / For on that ground I'll make a holy descant [also: commentary]
TG I.ii.94[Lucetta to Julia] now you are too flat; / And mar the concord with too harsh a descant
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL