Smashing Pumpkins is an American rock band formed in 1988 in Chicago, Illinois. The group is known for its unique blend of alternative rock, heavy metal, and dream pop. Led by frontman Billy Corgan, the band gained fame in the 1990s with hit albums like Siamese Dream and Mellon Collie and the Infinite Sadness, which featured popular songs such as "1979" and "Tonight, Tonight." The band's lineup has changed over the years, but Corgan has remained the constant driving force. Smashing Pumpkins is recognized for their ambitious sound, intricate guitar work, and introspective lyrics, making them a significant influence in the rock music scene.