Thanks, Nodrog, still a few in bottom half.
17d. Dance involving sailors in physical exertion, primarily (8)
?o?n????
Hohrnpipe is a sailor's dance, but can't see why otherwise.
Chrise, crossword has different compilers each day. I'm obviously not in sinc with the Monday compiler!
A few still to get, including
Extremely sexist cricket commentator causes stupefaction (8)
?t?????s
extremely SexisT, then (Jonathan) Agnew, cricket commentator know as "Aggers" (as in the famous Brian Johnston "Botham fails to get his leg over" episode)