Sō Percussion to present new music from Dennehy, Iyer, and Shaw in Chamber Music’s Guest Artist Series by Justin Kelly on July 29, 2018 share Sō Percussion Jason Treuting’s musical mentors include the drummer for Steely Dan, a Balinese gamelan master, the timpanist of the Rochester Philharmonic, several renowned marimba players, a pianist and a jazz trumpeter. That’s the kind