Listen to Umar Gwa Lai Toon online. Umar Gwa Lai Toon is a Bengali language song and is sung by A.S. Kang. Umar Gwa Lai Toon, from the album Gidhiyan Di Rani, was released in the year 2003. The duration of the song is 3:05. Download Bengali songs online from JioSaavn.