Some banjo interlude enjoyed with a spliff (5)
I believe the answer is:
joint
'spliff' is the definition.
'some banjo interlude enjoyed' is the wordplay.
'enjoyed' says the answer is hidden in the clue (I've seen 'enjoys' mean this (enjoy can mean possess)).
'JOINT' is hidden within 'some banjo interlude'.
'with a' acts as a link.
(Other definitions for joint that I've seen before include "Combined" , "Point in the body where two bones meet" , "American bar" , "Flexible link" , "Together - location" .)