High Quality Content by WIKIPEDIA articles! The Smashing Pumpkins are an American alternative rock band that formed in Chicago, Illinois in 1988. Formed by Billy Corgan frontman (lead vocals, lead guitar) and James Iha (rhythm guitar), the band has included Jimmy Chamberlin (drums), D`arcy Wretzky (bass), and currently includes Jeff Schroeder (rhythm guitar, backing vocals) Mike Byrne (drums), and Nicole Fiorentino (bass guitar, backing vocals) amongst its membership.