Conversation so far:
When did the band break-up?
Hammill's split with the group was amicable, and Banton, Jackson, and Evans, among others, all contributed to his solo work at various times.
Why did the group split up?
By 1975, the members of the band were ready to work with each other again, and they decided to reform the band.

Question: where did they play their first show upon reuniting?
Self-contained rewrite: Where did Van der Graaf Generator play their first show upon reuniting in 1975?