12 across is one of the ten thematic answers, look up "fine gentleman" in chambers
19 down - remember many words can be abbreviated to a single letter - take this out of one word to get another
i think that will give you a start
just to keep you in the know as you seem to be new to this site - many avid listener fans get outraged when they see answers or partial answers e.g. (TIN?) posted on this site. we give nudges if required
a weekly link to the listener crossword on AB is
here