John Dolmayan playing System Of A Down songs |Day 3| [9/13/2018]

John Dolmayan returns with another live practice session. This time he is drumming Tentative, Holy Mountains, Revenga, Needles, Deer Dance, Jet Pilot and Chop Suey! [September 13, 2018] Studio song versions edited and added as backing track. Rehearsal for the upcoming System Of A Down tour in October. #johndolmayan #systemofadown #chopsuey #drums