Listen to Yeh To Kal Ki Hai Baat online. Yeh To Kal Ki Hai Baat is a Hindi language song and is sung by Hemlata and Usha Khanna. Yeh To Kal Ki Hai Baat, from the album Sone Ka Dil Lohe Ke Haath, was released in the year 1978. The duration of the song is 6:28. Download Hindi songs online from JioSaavn.