Listen to Kuch To Hua Hai (From "Kal Ho Naa Ho") online. Kuch To Hua Hai (From "Kal Ho Naa Ho") is a Hindi language song and is sung by Shankar-Ehsaan-Loy, Alka Yagnik and Shaan. Kuch To Hua Hai (From "Kal Ho Naa Ho"), from the album Jashn-E-Bahaaraa (Classic Love Songs), was released in the year 2021. The duration of the song is 5:22. Download Hindi songs online from JioSaavn.