Changing an article can be quite a performance! (7)
I believe the answer is:
Here is my best explanation:
'performance' is the definition.
(recital is a kind of performance)
'changing an article' is the wordplay.
'changing' indicates anagramming the letters.
'article' with letters rearranged gives 'RECITAL'.
'can be quite a' is the link.
This may not be right. Some or all of it may be part of another bit of the clue.
(Other definitions for recital that I've seen before include "Musical performance", "(Usually solo) concert", "Account", "Article about musical entertainment", "Public performance of music", "reading", "Maybe solo musical performance", "Public musical performance", "Article (anag)" and "17 performance, for example".)