Billy Howerdel is an American musician, best known as the founding member, guitarist, singer-songwriter, and producer for the bands A Perfect Circle and Ashes Divide. He has recorded four acclaimed studio albums with the former, and in 2008, Ashes Divide released their debut album, Keep Telling Myself It's Alright.
James Yoshinobu Iha is an American rock musician. He is best known as a guitarist and co-founder of the alternative rock band the Smashing Pumpkins. He was a member until the initial breakup in 2000. Among his musical projects of recent years, Iha has been a permanent fixture of A Perfect Circle. He was most recently a member of Tinted Windows, a 1960s/1970s inspired group with members of Cheap Trick, Fountains of Wayne, and Hanson. He rejoined the Smashing Pumpkins in 2018.