Listen to Ek Din Bik Jayega Mati Ke Mol (Happy) online. Ek Din Bik Jayega Mati Ke Mol (Happy) is a Hindi language song and is sung by R.D. Burman and Mukesh. Ek Din Bik Jayega Mati Ke Mol (Happy), from the album Many Moods - Mukesh, was released in the year 2004. The duration of the song is 5:39. Download Hindi songs online from JioSaavn.