Summer NAMM 2019: Korora Audio Merlo Jason ShadrickJuly 20, 2019VideoWatch how the company's new harmonic tremolo can go from flowing and smooth to choppy and spacey.whats-newvideoskorora-audiotremologear-show-demoeffectssnamm-2019special-featured-storiesgearGearEffectsVideosNAMMReviews