Thanks for the query.
Korobeiniki is Russian folk song that describes a meeting between a peddler and a girl and their haggling over goods. Korobeinik is known as the Tetris theme song outside Russia and it appeared in the Nintendo's 1989 version of the game.
Source - https://en.wikipedia.org/wiki/Korobeiniki
Immortalized in the voice of Lata Mangeshkar, Kavi Pradeep's famous patriotic song 'Aye mere watan ke logon' was set to music by which musician ?