Crossword Genius

In which to sing sea shanties? (4,5)

Ross

I believe the answer is:

deep voice

I'm a little stuck... Click here to teach me more about this clue!


If this is the answer I cannot explain how the clue works.

Can you help me to learn more?

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app