Performance moved into diner (9)
I believe the answer is:
rendition
'performance' is the definition.
(I know that rendition is a type of performance)
'moved into diner' is the wordplay.
'moved' is an anagram indicator.
'into'+'diner'='intodiner'
'intodiner' with letters rearranged gives 'RENDITION'.
(Other definitions for rendition that I've seen before include "covert if extraordinary" , "(Musical) performance" , "Performance; translation" , "Interpretation (of e.g. song)" , "that may be extraordinary" .)