Conversation so far:
Who is Kate Bush?
Gilmour was responsible for bringing Kate Bush to public attention.
While she was still at school.
What did Kate do?
her family produced a demo tape with over 50 of her compositions, which was turned down by record labels.
What song is she famous for?
"The Man with the Child in His Eyes".
What was her debut album?
The Kick Inside.
Did the album win any awards?
CANNOTANSWER.
When was the album released?
CANNOTANSWER.
Are there any other interesting aspects about this article?
In March 1987, Bush, notorious for the rarity of her live performances, sang "Running Up That Hill.
Where did she perform?
at The Secret Policeman's Third Ball.
Where else has she performed?
at the Royal Festival Hall in London.
Who did she perform with?
with Gilmour on guitar.
What else has she done?
A three DVD set of The Secret Policeman's Balls benefit concerts that includes their performance was released in 2009.

Question: What is the secret policemans balls?
Self-contained rewrite: What is The Secret Policeman's Balls?