Listen to Jaane Kab Anjaane online. Jaane Kab Anjaane is a Hindi language song and is sung by Jatin-Lalit, Kumar Sanu and Kavita Krishnamurthy. Jaane Kab Anjaane, from the album Kehtaa Hai Dil Baar Baar (Original Motion Picture Soundtrack), was released in the year 2002. The duration of the song is 5:01. Download Hindi songs online from JioSaavn.