Bebop with Joe Mulholland. Joe Mulholland will set heads bobbing with Bebop and Cool Jazz. Joe, with 2 CDs released in 2016, is a very active Boston-based jazz composer and performer and a Professor at the Berklee College of Music, where he has taught harmony and piano for over 20 years. He is also a music director, co-authored the "The Berklee Book of Jazz Harmony" (2013), and created and teaches online courses in Jazz Composition and Music Foundations for Berklee Music.