Conversation so far:
What year did Porcupine Tree form?
Porcupine Tree originated in 1987.
Who was their inspiration?
Partially inspired by the psychedelic/progressive bands of the 1970s, such as Pink Floyd.
Did they cover any of their songs?
CANNOTANSWER.
Did they win any awards?
CANNOTANSWER.

Question: What is something crazy they did?
Self-contained rewrite: What is something crazy Porcupine Tree did?