Cliff Richard album contains singles originally rejected (4)
I believe the answer is:
scar
'cliff' is the definition.
(thesaurus)
'richard album contains singles originally rejected' is the wordplay.
'originally' indicates taking the first letters.
'rejected' is a reversal indicator.
The initial letters of 'richard album contains singles' is 'racs'.
'racs' written backwards gives 'SCAR'.
(Other definitions for scar that I've seen before include "Stain" , "Long (for)" , "brand" , "showing effect of damage to body" , "Remnant of wound" .)