Crossword Genius

Two jazz fans going head to head, coming in so jumpily? (8)

Ross

I believe the answer is:

staccato

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

'two' is the definition.
Both the definition and answer are adjectives. Perhaps you can see a link between them that I don't see?

'jazz fans going head to head coming in so jumpily?' is the wordplay.
I cannot really understand how this works, but
'to' is present in the answer.
This may be the basis of clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for staccato that I've seen before include "Way to play" , "Disconnected, like musical notes say" , "Discontinuous" , "With each note detached or disconnected (music)" , "with snappy sounds" .)

I've seen this clue in The Telegraph.
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