jonathan martin introduces us to clarence harrison. ♪ >> reporter: clarence harrison is sharing his storya way he never has. ♪ i knew i was innocent so when the judge had his say -- >> in 1987 at 28 he was misidentified in a police lineup and convicted for the rape and robbery of a woman near atlanta. he was sentenced to life plus 40 years. after more than a decade of lost appeals clarence gave up hope. he had been told dna evidence had been destroyed until a discovery by the georgia innocents project. >> we went to the district attorney's office, and inside the box 1 of my law students found the slides. ♪ that the truth exonerated me >> since being released clarence has devoted his life to supporting the group that helped clear his name. working to clear other cases. ♪ what is justices >> melanie accomplished musician and her friend were asked to write a wrong for the organization. >> there was a kind of lightning strike between the three of us. >> it was overwhelming. it gets overwhelming thinking about it. >> reporter: that three-hour conversation morphed into a 12-song project. one so

clarence harrison himself and mel 9 and ben, who are collaborating with him on his lp. great to see the three of you. thanks for being on the program with me. >> thank you. >> clarence let me start with you, clarence. boy, as the piece mentioned, you were just 28 years old when you were sentenced. 18 years later, think about this for a second. you were finally exonerated and released. if you would, tell us about the man you were then. and the man you are now. >> well, when i was -- before i went to prison i was a young man, living just kind of like wild, living like a young man you normally live. but since my experience, i became much of a more mature man and learned a lot more about life, you know. >> yeah, and clarence -- how did prison change you? >> it affects anyone who goes through something like that. but i try not to hold grudges to anyone but i'm just trying to live day by day and not think much on the past. but when i do reflect on the past i think about things more positive. >> is there any lingering anger within you, over what happened to you, your incarcerat