Listen to Hey Rav Hey Sas online. Hey Rav Hey Sas is a Punjabi language song and is sung by Bhai Harbaljeet Singh Ji. Hey Rav Hey Sas, from the album Jagardang Nagardang Bagardang Baaje, was released in the year 2016. The duration of the song is 7:27. Download Punjabi songs online from JioSaavn.