Crossword Genius

Almost domesticated some pigs by the sound of drums (8)

Ross

I believe the answer is:

tambours

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

'drums' is the definition.
(tambour is a kind of drum)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

I've seen this clue in The Guardian.
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