http://www.guitarplayer.com/lessons/1014/the-circle-of-5ths-explainedplus-three-ways-you-can-put-it-to-use/61361
Anthony Hornsby
flipped into Guitar
http://www.guitarplayer.com/lessons/1014/the-circle-of-5ths-explainedplus-three-ways-you-can-put-it-to-use/61361