afghanistan. reporter: he s one of afghanistan s most famous musicians. it s my life and my love. music is my love. he was a judge on the tv singing competition store afghan star. he is pretty famous, i would say. reporter: ahmad s son is himself a renowned classical pianist who s been studying in the u.s. for six years. they reunited in new york city after five years apart. for me, it was unbelievable. i couldn t believe that i was hugging him. i was very excited to see my son after five years. reporter: ahmad fled afghanistan in august after the taliban left a threatening note on his instrument case. did you believe the taliban was going to kill you? maybe, maybe. reporter: the last time taliban ruled afghanistan, music