I've finished, but two I've not parsed - any pointers?
9a Rock music kept for request at crime scene? (5,2,2)
I have a phrase that matches the defintion, and the "rock" gives me the first word, but I don't see the "music".
Stone's past history in theatrical performance, loosely speaking? (4)
I have a semiprecious stone, but I don't see any of the rest.
I don't like the definition in 17d!