Crossword Genius

Jazz fans' musical (4)

Ross

I believe the answer is:

cats

'musical' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for cats that I've seen before include "1981 Lloyd Webber musical" , "Some 6 Downs" , "Spectacular Llyod Webber feline musical" , "Musical; jazz fans" , "Show" .)

I've seen this clue in The Guardian.
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