"Moonlight” and others (7)
I believe the answer is:
sonatas
'moonlight and others' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sonatas that I've seen before include "eg Moonlight and Waldstein" , "Instrumental compositions" , "10 [COMPOSITION]s" , "Classical pieces" , "musical items" .)