Popular artist in funky blues allowing cover (9)
I believe the answer is:
insurable
'allowing cover' is the definition.
(able to be covered by insurance)
'popular artist in funky blues' is the wordplay.
'popular' becomes 'in' ('in' can mean trendy).
'artist' becomes 'RA' (Royal Academician, member of Royal Academy of Arts).
'in' is an insertion indicator.
'funky' indicates an anagram (I've seen this in other clues).
'blues' anagrammed gives 'suble'.
'ra' going within 'suble' is 'surable'.
'in'+'surable'='INSURABLE'
(Another definition for insurable that I've seen is " that could be covered".)