Short answers, pulled from the story.
Siouxsie and the Banshees formed in London during 1976. Vocalist Siouxsie Sioux and bassist Steven Severin met at a Roxy Music concert in September 1975 before following an unsigned band called the Sex Pistols starting in February 1976.
Vocalist Siouxsie Sioux and bassist Steven Severin founded the group after meeting at a Roxy Music concert in September 1975. They recruited drummer Kenny Morris and guitarist Peter Fenton over the next few months to complete their early lineup.
The band released their debut album The Scream in November 1978 receiving widespread critical acclaim. Nick Kent of NME stated the group sounded like a unique hybrid of the Velvet Underground mated with much of the ingenuity of Tago Mago-era Can.
Robert Smith left the group shortly before the release of Hyæna in May 1984 citing health issues due to an overloaded schedule and being in two bands at once. He had rejoined the group in November 1982 to replace John McGeoch who struggled with alcohol problems.
In April 1996 the Banshees disbanded after twenty years of working together blaming internal problems and the situation with Polydor. Jon Klein was replaced by Knox Chandler for their last tour in 1995 before the split occurred.