A Perfect Circle is an American rock supergroup formed in 1999 by guitarist Billy Howerdel and Tool vocalist Maynard James Keenan.
A Perfect Circle has released four studio albums, the first three releasing in the early 2000s: Mer de Noms, their debut album in 2000, and followed up by Thirteenth Step in 2003; then in 2004, Emotive—an album of radically re-worked cover songs titles. Shortly after Emotive's release, the band went on hiatus; Keenan
Four years of hard work!This month of May we celebrated four years on the air. We continue working on the dissemination of this wonderful instrument, thank you for participating in our story!