Peter Cetera and Maynard James Keenan are both what?
Peter Cetera: Peter Paul Cetera ( ; born September 13, 1944) is an American singer, songwriter, and bassist best known for being an original member of the rock band Chicago (1967–1985), before launching a successful solo career. 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.
American singer, songwriter