We've stripped back a great track and if you can tell us the song by title and artist you'll win the cash!
Watch all the highlights from the show that ROCKED the Hordern!
The singer has tried comforting his wife during labour with their second child, by singing songs from Frozen!
The guys were MC's at the biggest rock event in Sydney! See what happened backstage as well as their amazing entrance to the Hordern Pavilion!
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