Listen to Isai Sangamam online. Isai Sangamam is a Tamil language song and is sung by Raam & Raj, MWA, Nikil and Hariharasudhan. Isai Sangamam, from the album Namma Chennai (Original Motion Picture Soundtrack), was released in the year 2009. The duration of the song is 3:57. Download Tamil songs online from JioSaavn.