Conversation so far:
what political protest did frenzal rhomb and jackie o participate in?
protest against incumbent Prime Minister John Howard's government.
why did they protest?
compilation album, by various Australian musicians as a protest against incumbent Prime Minister John Howard's government.
what is the name of the album?
CANNOTANSWER.

Question: what occurred in 2004?
Self-contained rewrite: what occurred in 2004?