The rock group A Perfect Circle was founded by Billy Howerdel and another musician who was born in what year?
A Perfect Circle: A Perfect Circle is an American rock supergroup formed in 1999 by guitarist Billy Howerdel and Tool vocalist Maynard James Keenan. Maynard James Keenan: Maynard James Keenan (born James Herbert Keenan; April 17, 1964), often referred to by his initials MJK, is an American singer, songwriter, musician, record producer, actor, and winemaker.
1964