Moan about clef used in type of dance music? (8)
I believe the answer is:
flamenco
'type of dance music?' is the definition.
(I know that flamenco is a type of dance music)
'moan about clef used' is the wordplay.
'about' means one lot of letters go next to another.
'used' indicates an anagram.
'moan' put after 'clef' is 'clefmoan'.
'clefmoan' with letters rearranged gives 'FLAMENCO'.
'in' acts as a link.
(Other definitions for flamenco that I've seen before include "Dance from Andalusia" , "Andalusian gypsy music" , "Spanish music and dance" , "Gypsy dance associated with Spain" , "Dramatic Andalusian kind of song and dance" .)