It is known to all cinema lovers that during 1980s and late 1970s, most of the times Kishore Kumar used to sing for Amitabh Bachchan in Hindi films and it matched perfectly. However in film’Sharabi’ one of the songs was sung by Amitabh Bachchan himself long with Kishore Kumar.
But in the cast of the film, the name of Amitabh Bachchan appeared first in the list of playback singers and it severely upset Kishore Kumar. Then he decided not to sing for Amitabh Bachchan in films, did after some years though.