A group of Aussie music stars have come together to celebrate and promote one of the nation's fave landmarks with The Sydney Opera House Ship Song Project.

Conceived as a short film, the project is a cover of the Nick Cave classic 'The Ship Song' and features Daniel Johns, Angus and Julia Stone, The Temper Trap, Sarah Blasko, Neil Finn, Paul Kelly, Katie Noonan and Martha Wainwright, among others.

A doco about the project will air on Foxtel soon. Here's the ambitious finished song:

Behind the scenes of The Ship Song Project: