As founder of the legendary Studio 880 in Oakland, John hosted recordings for Green Day, Beyoncé, The Killers, The Black Keys, and countless others. He led Walmart Soundcheck as Director of Audio Production, producing national concert events and helping define the corporate concert experience. John was responsible for personally mixing for artists like Beyonce, Bruno Mars, Keith Urban and many more for the in store and online releases of this series.. He’s also designed permanent sound system...