The two songs were recorded during their lifetime, but remained unreleased as the respective films were shelved.
The first song, "Ya illahi, ek haseena ne machai hai tabahi" was recorded in the late 1960s and is a light, naughty track sung by Rafi in his inimitable style.
The second song, "Har sapna ek din toote is duniya mein", is a philosophical number recorded in the early 1970s.
The two songs are available on the website www.madanmohan.in.
Together, the talented duo worked on many unforgettable tracks like "Ab tumhare hawale watan saathiyon", "Yeh duniya ye mehfil", "Tum jo mil gaye ho", "Meri awaaz suno", "Teri ankhon ke siwa" and "Kabhi naa kabhi", among many others.
Rafi's 30th death anniversary falls Saturday while July 14 marked Madan Mohan's 35th death anniversary.