mic mixer. then we use magnets here in the corner to hold the lid on it. ♪ >> tedder always includes one other element on his guitars. it's for his muse. >> everything i do, i dedicate to my wife. the blue heart is because we have been separated for 23 years now. she is still with me. she is sticking with me through this. i always put a blue heart on every letter i mail to her, every card i send to her. i put a blue heart on the case and the guitar. it's just our symbol, being separated so long. ♪ was that good enough? >> while music helps him cope with life at holman, we met another inmate who finds his