Listen to Hum Kya Hain online. Hum Kya Hain is a Hindi language song and is sung by R.D. Burman, Kishore Kumar and Penaz Masani. Hum Kya Hain, from the album Anand Aur Anand (Original Motion Picture Soundtrack), was released in the year 1983. The duration of the song is 4:29. Download Hindi songs online from JioSaavn.