PG's Brett Petrusek is On Location at the 2011 NAMM Show where he visits the RJM Music Technology booth. In this segment, we get to check out their newest product--the Mastermind GT Prototype assingable/custom switcher.



PG's Brett Petrusek is On Location at the 2011 NAMM Show where he visits the RJM Music Technology booth. In this segment, we get to check out their newest product--the Mastermind GT Prototype assingable/custom switcher.

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