New supergroup development! Brian Chase, drummer for the Yeah Yeah Yeahs, Colin Stetson, touring saxophonist for the Arcade Fire, and Stuart Bogie and Jordan McLean, Antibalas' tenor saxophone and trumpet player, respectively, have joined Balkan Beat Box guitarist Jeremiah Lockwood for the Sway Machinery, whose self-titled debut EP is set to arrive September 16 via JDub.