9a Welsh town providing more than eighty quarters (7)
??E???N
11a Opera- Head of Music not sure who composed it (5)
??N??
13. Fish put in canoes turning out to be water-babies? (9)
??E?????S
18a One accepts a role assigned to British leader (9)
??N?????E
17d Clever irony is evident in a branch of the family (7)
??????M