Cycle of Pain

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Interview: Bassist John "JD" DeServio of Black Label Society on his roots, Zakk Wylde and Vinnie Moore

John "JD" DeServio has been involved off and on with Zakk Wylde and Black Label Society for several years. Their personal relationship goes back even further, to Wylde's pre-Ozzy Osbourne days. JD has made a career for himself -- as an extremely versatile musician and producer -- beginning with a solid musical education in high school, followed by intense study at Berklee College of Music in Boston.