Song from a show recalled (4)
I believe the answer is:
aria
'song' is the definition.
(I know that aria is a type of song)
'a show recalled' is the wordplay.
'show' becomes 'air' (both can mean broadcast).
'recalled' is a reversal indicator.
'air' reversed gives 'ria'.
'a'+'ria'='ARIA'
'from' is the link.
(Other definitions for aria that I've seen before include "Song such as "Your Tiny Hand is Frozen"" , "Refrain" , "Song, one from 'West Side Story' needing no introduction" , "Piece of music" , "Operatic tune" .)