Crossword Genius

Hard ___ (jazz subgenre for Art Blakey) (3)

Ross

I believe the answer is:

bop

(Other definitions for bop that I've seen before include "Dance of the 1950s" , "Dance to pop music" , "Lively dance" , "Dance - hit (informal)" , "Strike" .)

I've seen this clue in the Universal.
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