Conversation so far:
what was the band's composition in their early years?
he took a job in a record store and formed the idea of a new band to be called the Smashing Pumpkins.
While working there, he met guitarist James Iha.
who else worked in the band?
singer and guitarist Billy Corgan.
did the band have any other member?
Jazz drummer Jimmy Chamberlin was recommended by a friend of Corgan's.
what was the major gain from these early years?
In 1989 the Smashing Pumpkins made their first appearance on record with the compilation album Light Into Dark.
what was the hit single of this album?
The group released its first single, "I Am One", in 1990.
how well did this single perform?
The single sold out and they released a follow-up, "Tristessa".
any interesting information of this period?
After releasing the Lull EP in October 1991 on Caroline Records, the band formally signed with Virgin Records.
how was Lull EP received?
CANNOTANSWER.
anything else?
Caroline.
The band supported the album with a tour that included opening for bands.

Question: what else did the tour include?
Self-contained rewrite: What other bands did the Smashing Pumpkins tour include besides themselves?