Listen to ul Waso Aa online. ul Waso Aa is a Punjabi language song and is sung by Atta Ullah Khan Essa Khailvi. ul Waso Aa, from the album Atta Ullah Khan Essa Khailvi, Vol. 34, was released in the year 2014. The duration of the song is 7:51. Download Punjabi songs online from JioSaavn.