The band will play London KOKO on December 5
Smashing Pumpkins singer will take part in 'The 48-Hour Musicals: Encore!', a musical held over two days
The band release new album 'Monuments To An Elegy' on December 9
The live team-up took place at Chicago’s Metro Cabaret on Saturday night (November 15)
It will feature on the group's new album 'Monuments To An Elegy'
The Smashing Pumpkins frontman labels similar concerts "regressive"
'Monuments to an Elegy' will drop on December 9
"At some point you've got to fight this fight or go away," the frontman says
Smashing Pumpkins singer will sing private song for winner
The 107-track version of the 1998 album will be released in September