Conversation so far:
When was Wish You Were Here released?
Most of Wish You Were Here premiered on 5 July 1975, at an open-air music festival at Knebworth.
Released in September.
Which album was it on?
their ninth studio album, Wish You Were Here.
Did they go on tour?
CANNOTANSWER.

Question: Did they have any problems when producing this album?
Self-contained rewrite: Did Pink Floyd have any problems when producing the Wish You Were Here album?