Listen to Kuch To Hua Hai online. Kuch To Hua Hai is a Hindi language song and is sung by Shankar-Ehsaan-Loy, Alka Yagnik and Shaan. Kuch To Hua Hai, from the album Kal Ho Naa Ho (Original Motion Picture Soundtrack), was released in the year 2003. The duration of the song is 5:22. Download Hindi songs online from JioSaavn.