Listen to Jawaniyan Yeh Mast Mast (From "Tumsa Nahin Dekha") online. Jawaniyan Yeh Mast Mast (From "Tumsa Nahin Dekha") is a Hindi language song and is sung by Mohammed Rafi. Jawaniyan Yeh Mast Mast (From "Tumsa Nahin Dekha"), from the album Superstar Shammi Kapoor, was released in the year 2016. The duration of the song is 3:04. Download Hindi songs online from JioSaavn.