. >> despite his pessimism, mccullagh had found a productive outlet to express his pain. ♪ they say it'sng in denver ♪ ♪ that it's really kind of cold ♪ ♪ but i'm just pulling time in nashville ♪ ♪ how am i supposed to know >> shooting in a prison in nashville, the home of country music, we decided it would be great if we could find a country singer, and so we kind of made the call out to the other inmates and correctional officers, and they came up with mccullagh, and he turned out to be pretty good. ♪ talked about me how it never did seem right ♪ ♪ i've been pulling time in nashville ♪ ♪ wasting days and wasting nights ♪ >> writing music in prison is just my life. i don't sit down to write a song. something hits me, and my best songs come with about two minutes, in about two or three minutes i have an excellent song, and i wrote "pulling time in nashville" at the walls, which is tennessee state prison which is shut down now. ♪ til the family comes and sees me ♪ ♪ they can spare some other time ♪ >> i let my feelings out in my song, and i write old-time country. i don't write anything b