Hi greyhoundlady & welcome to AB! It's always nice to include the number of letters & any you've placed, so that people without the puzzle can more readily help you :-) RT15 4d Terpsichorean - 'chore' (in) anag 'siren tap'
Welcome to AB. greyhoundlady?
Is that a single clue in the title box?
Please can you provide details of the crossword name, letter count and known pattern.