Instrument for Jake Shimabukuro (3)
I believe the answer is:
uke
'instrument for jake shimabukuro' is the definition.
(I know that Jake Shimabukuro instrument the uke)
This is the entire clue.
(Other definitions for uke that I've seen before include "George Formby's instrument (abbr)" , "Music producer" , "Notes producer sometimes plucked" .)