Listen to Maacho (From "Mersal") online. Maacho (From "Mersal") is a Tamil language song and is sung by A.R. Rahman, Sid Sriram and Shweta Mohan. Maacho (From "Mersal"), from the album Rahman Rewind: Romance, was released in the year 2019. The duration of the song is 4:35. Download Tamil songs online from JioSaavn.