Come June 12, you can catch A R Rahman live in action in Mumbai, as the music maestro will hold a concert to promote an upcoming Hindi movie. The film in question is ‘Lekar Hum Deewani Dil’, which marks the acting debut of legendary actor Raj Kapoor’s second grandson Armaan Jain. The movie is directed by Imtiaz Ali’s brother Arif Ali. Besides scoring the music, Rahman has also crooned a song in ‘Lekar Hum Deewani Dil’. It may be recalled that Rahman composed music for Imtiaz Ali’s ‘Rockstar’ and all songs from the movie turned out to be super hits.