Jazz group formed by band leader in Italian resort (5)
I believe the answer is:
combo
This could be a double definition.
'jazz group' is the first definition.
(synonyms)
'band leader in italian resort' is the second definition.
'combo' can be an answer for 'band' (combo can mean a musical group). I am not certain of the 'leader in italian resort' bit.
'formed by' is the link.
Can you help me to learn more?
(Other definitions for combo that I've seen before include "Small jazz or dance band" , "group of players" , "Small jazz group" , "Small pop group" , "Music group" .)