stage. >> billy corgan is a musical genius.lt artists in rock history. there's really no one like him. >> i don't think there was anybody that really sounded like the smashing pumpkins then or then. >> it was always very clear that this was billy's vision. >> billy corrigan, unlike a lot of his peers could play, could play a lot of instruments and play them well. >> this guitar emits sad tones, this guitar brings much joy to everyone i know. >> he was the breaking record for it. >> he provides the lightness and the darkness and the soul powerfully because i think that as much as he's a romantic, thing he feels pretty beaten up by the june verse. >> now there's expectation and pressure and all that, and billy decides to go way bigger, and he ratcheted the bar way up and then he scaled that bar. they sold 10 million copes of "mellon collie & infinite sadness." >> and the best hit of the year, smashing pumpkins, "tonight, tonight." >> i think it would be hard for any band with billy corgan in it to be a democracy. >> he did everyt