Heavy Metal BILLY CORGAN Calls SMASHING PUMPKINS Split A ‘Mistake’ December 11, 2009 Atomm Leave a comment Benjy Eisen of Spinner.com recently conducted an interview with SMASHING PUMPKINS mainman Billy Corgan.Source Benjy Eisen of Spinner.com recently conducted an interview with SMASHING PUMPKINS mainman Billy Corgan.Source