15d) Loosens part of roof, say, with a stroke (9) F?E??????
21d) Last of ricotta and odd bits ogghee in this cheese (7) C??????
23a) Elenenth-hour change to matins - instrument's out (4-6)
29a) Playing a piano to entertain artist causes psychosis (8) no letters
Any help most welcome
The speedy replies to bryand's queries helped me to complete the crossword, so I can get it in the post in the morning, trying to win twenty quid. BUT can anyone tell me why the answer to 17d - White horses old farm labourer picked up (4) - is SURF? I think it must be, but I can't see why.