>> in my view, nina simone was one of the greatest artist of the 20th century, right up there with miles davis, james brown, bobbly because of race and gender, and accommodation of the two at her case and not being regarded that way. especially in the u.s., where i think she been overlooked and certainly misunderstood, as her song intimates. so we were able, with the permission of the estate get a really, really deep dive into nina, not just the concert and promotions, which make up the heart of the film, but private tapes of nina talking about her life, 30, 40 hours of that diaries, letters notes and suffer most intimate friends and family members interviews. >> give us a thumbnail biography of nina simone, if you can. her life spans years, both in the public eye and outside of the public eye. but she wasn't born nina simone. >> she was born eunice wann withon. her mother was religious. when she was about six years old, some white folks in the community thought, maybe we have a prodigy on our hands here. they took up a collection to get her a classical music education. from that age, she started crossing the r