Conversation so far:
What happened in 2006?
Cole joined the Tour de Force series of concerts in Iraq and "across the Middle East" for Australian Defence Force "personnel.
What was Poster Girl?
".
In May 2006 she issued a single, "Poster Girl (Wrong Side of the World)" in response, she declared her support for the Australian diggers but not the Iraq War.
Was the single a success?
Single of the Year, and Song of the Year for "Poster Girl (Wrong Side of the World)".

Question: What was Songbirds?
Self-contained rewrite: What was Songbirds?