Listen to Aa Gayel Saawan Ba online. Aa Gayel Saawan Ba is a Bhojpuri language song and is sung by Raj Premi. Aa Gayel Saawan Ba, from the album Aa Gail Sawanwa, was released in the year 2015. The duration of the song is 4:39. Download Bhojpuri songs online from JioSaavn.