Bluegrass player (5)
I believe the answer is:
banjo
'bluegrass player' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for banjo that I've seen before include "Stringed instrument like guitar with round body" , "Small plucked instrument" , "Stringed instrument with long neck" , "No jab (anag.)" , "Relative of the guitar" .)