Jimmy Chamberlin wrote an honest blog on his own website, explaining why he quit the Smashing Pumpkins, after the news hit the web. He admits that he can’t put all of his energy into the music of the Smashing Pumpkins anymore. Sounds like he doesn’t have appreciation and lost interest with the music of the Pumpkins. He has no negative grudge with Billy Corgan, he says he gets along with him fine.
Jimmy says, he will continue to make music with his own band, the Jimmy Chamberlin Complex and he will pursue other musical projects as well. Sounds like he was getting bored in the Pumpkins and wanted to pursue other musical adventures.
Jimmy is right, that it’s Billy Corgan’s right to continue on with the Smashing Pumpkins name without Jimmy. It’s Billy’s band, Billy owns the copyright name to the Smashing Pumpkins, so he does what he pleases with it. The Pumpkins had different band members over the years, happens all the time with all bands.
See Jimmy’s blog here: