A Perfect Circle is an American rock supergroup formed in 1999. Members include; Maynard James Keenan, Billy Howerdel, James Iha, Matt McJunkins, Jeff Friedl, Troy Van Leeuwen, Danny Lohner, Paz Lenchantin, Jeordie White, Tim Alexander, Josh Freese. Discography includes; Mer de Noms (2000), Thirteenth Step (2003), Emotive (2004). Tours include; 2011 Summer Tour, Europe 2004, Fragility v2.0, Lollapalooza 2003, Mer De Noms, Our First Step Tour, Spring 2004, Spring 2017, Summer 2003 Canada, Thirteenth Step, Thirteenth Step Tour.