white music, black music. music. there's only seven notes. a, b, c, d, e, f, g. music is the key.ellow out and relax, man. >> one, two, three. >> we met jesse delstanford working at the only other band room our crew has visited at kentucky state penitentiary. >> i get mad sometimes. i get angry. but instead of taking it out on anybody, i take it out on miss purdy. ♪ >> why the name? >> why the name? because she is purdy. she is purdy. she is my favorite color, blue. >> convicted of robbery, kidnapping and murder, stanford began serving his 390-year sentence in 1985. but instead of counting the days, he keeps time his own way. >> it just oozes from my pores, man. music is all i have. nothing else is going to last. music is always going to be there for me. >> those guys are really good. and we had a long schedule of events that day. but once we got out of the band room, we started filming, we kind of lost ourselves. the guys were jamming out and we just didn't really want to leave. actually at one point our production assistant got up and sang with the fellows for a little while. ♪