Double Image is a microtonal saxophone quartet, plus microtonal guitar and drums, tuned to 13EDO. Hans Tammen on guitar, Kai Kennedy or Yuko Togami on drums, and Marcus Cummins on soprano; Sarah Manning or Welf Dorr on alto; Ayumi Ishito, Catherine Sikora or David Rothenberg on tenor; and Briggan Krauss on bari or David Rothenberg on bass clarinet.