Notes shed’s given an inappropriate role? (7)
I believe the answer is:
miscast
'given an inappropriate role?' is the definition.
(I've seen this before)
'notes shed's' is the wordplay.
'notes' becomes 'mis' (more than one mi, a musical note).
'shed' becomes 'cast' (shed can mean to discard or cast off).
'mis'+'cast'='MISCAST'
(Other definitions for miscast that I've seen before include "Given an inappropriate role" , "Given an unsuitable role" , "in the wrong film?" , "part poorly chosen" , "Of actor, assigned to unsuitable role" .)