Singer Mika Singh, who has collaborated with Oscar-winning composer A.R. Rahman for the new song 'Heer toh badi sad hai' from Imtiaz Ali's forthcoming film 'Tamasha', says he is grateful to the duo for the opportunity.
Singer Mika Singh, who has collaborated with Oscar-winning composer A.R. Rahman for the new song 'Heer toh badi sad hai' from Imtiaz Ali's forthcoming film 'Tamasha', says he is grateful to the duo for the opportunity.