Harrison Music Education Systems is a music education company founded by pianist, composer, and educator Mark Harrison, supplying contemporary music instruction to musicians around the world since 1994. Mark is a former faculty member of the Grove School of Music in Los Angeles, and his instruction books are published internationally by Hal Leonard and recommended by Berklee College of Music for its new students. Through private one-on-one lessons on Zoom from his West Hills, California teaching studio, Mark teaches adults and seriou... read full review »