Bonzo Bash NAMM Jamm 2013 takes over Anaheim on Thursday January 24, 2013 at The Observatory in Anaheim, CA. Many of the past drummers who have .
Bonzo Bash NAMM Jamm 2013 ,The Observatory in Anaheim, CA. Clips of the Night It's such a unique night, seeing how all these great drummers approach .
Steven Adler (Guns N'Roses / Adler) Seven Antonopoulos (Opiate For The Masses) Charlie Benante (Anthrax) Will Calhoun (Living Colour) Jimmy D''Anda .
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