Brisk and spirited, in scores (6)
I believe the answer is:
vivace
'brisk and spirited in scores' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for vivace that I've seen before include "Musical adverb: in a lively manner" , "(Of music) in a lively and brisk manner" , "In lively style" .)