Mats Gustafsson is a Swedish saxophone player, composer, and improviser. Gustafsson works on the boundaries of noise, electronica, contemporary rock, and free jazz, as well as contemporary dance and theatre production. He performs solo and in various all-star impro projects. He has gone on international tours with artists including Peter Brötzmann, Merzbow, Jim O´Rourke, Barry Guy, Otomo Yoshihide, Yoshimi, Ken Vandermark, and bands Sonic Youth, The Thing, Sonore, FIRE!, Gush, Boots Brown, Swedish Azz, and Nash Kontroll. He also plays in larger formations such as the Barry Guy New Orchestra, Peter Brötzmann Chicago Tentet, and NU – ensemble.