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 Alka Yagnik, Shaan and Shankar-Ehsaan-Loy. Kuch To Hua Hai (From "Kal Ho Naa Ho"), from the album My #1 Love, was released in the year 2013. The duration of the song is 5:22. Download Hindi songs online from JioSaavn.