원본: Fretboard Journal Magazine - Summer 2012 #26. Issue #26 - Cover feature story on ZZ Top's Billy Gibbons. 128 pages. HL.77771173.
번역: Plus Happy Traum, T.J. Thompson, Bud Isaacs, and much more. Fretboard Journal Magazine - Summer 2012 #26 fretboard Journal. 128 페이지.