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Article & photos: http://www.premierguitar.com/articles/20201-rig-rundown-jd-simo

(http://www.premierguitar.com) Premier Guitar hung with J.D. Simo in his studio in Nashville where he explains the secrets to keeping a vintage Marshall sounding its best and also how to keep it from never breaking down. But he warns that once you go down this rewarding path of obsession, there's no turning back.