Moti Khan, a musically gifted child from the lower caste Muslim Manganiyars of the Thar Desert, is forced to sing and play music for their ancestral patrons in order to survive.Moti Khan, a musically gifted child from the lower caste Muslim Manganiyars of the Thar Desert, is forced to sing and play music for their ancestral patrons in order to survive.Moti Khan, a musically gifted child from the lower caste Muslim Manganiyars of the Thar Desert, is forced to sing and play music for their ancestral patrons in order to survive.