Sweet kind of music (4)
I believe the answer is:
rock
I believe this is a double definition.
'sweet' is the first definition.
(rock is a kind of sweet)
'kind of music' is the second definition.
(Other definitions for rock that I've seen before include "Hard confectionery made in sticks" , "Modern music with a heavy beat" , "Gently move; boulder" , "Brighton - (novel); - Hudson" , "to soothe baby" .)