Words like 'unsung' and 'rare' are usual very loosely on the internet. In a group on Facebook, Sajjad is called unsung! My foot! He is the most overly sung MD, in my opinion. Any photo or song is declared 'rare' or even 'rarest of the rare', even though a quick google search reveals that these have been on the internet for years! Here is one truly rare image of Raj Kapoor from the Bengali film Bari Didi.