More than one artist with this name: 1. Matt Mitchell (also Matthew Mitchell) is a pianist and composer known for his work with Tim Berne, Dave Douglas, Mary Halvorson, Ches Smith, John Hollenbeck, Darius Jones, Dan Weiss, etc, part of the elite clique of musicians who straddle conservatory chops with avant-garde improvisation. As an outgrowth of his work as a faculty member of the Brooklyn-based Center for Improvisational Music and his collaborations with NYC improvisors