Conversation so far:
what was The Smashing Pumpkins band's composition in their early years?
Billy Corgan and James Iha Adorned themselves with paisley and other psychedelic trappings, and the two began writing songs together that were heavily influenced by the Cure and New Order.
who else worked in the band The Smashing Pumpkins besides Billy Corgan and James Iha?
After finding out D'arcy Wretzky played bass guitar, Billy Corgan recruited her into the lineup, and the trio played a show at the Avalon Nightclub.
did the band The Smashing Pumpkins have any other member besides Billy Corgan, James Iha, and D'arcy Wretzky?
Jazz drummer Jimmy Chamberlin was recommended by a friend of Corgan's. Chamberlin knew little of alternative music and immediately changed the sound of the nascent band.

Question: what was the major gain from these early years
Self-contained rewrite: what was the major gain from these early years for  The Smashing Pumpkins