Katy Perry, Usher and Train are among the acts who will battle it out for the top international prize at the 2011 Australasian Performing Right Association (Apra) Awards.
Perry's smash hit California Gurls will take on Omg by Usher, Train's Hey, Soul Sister, as well as Whataya Want from Me by Adam Lambert and Owl City's Fireflies for the International Work Of The Year honour at the annual prizegiving, which celebrates songwriting excellence.
Australian rockers Jet are up for two trophies - the band's track Seventeen has been nominated in the Rock Work Of The Year and Most Played Australian Work categories.
Meanwhile, singer Sia will fight for her single Clap Your Hands to be named Song of the Year, alongside Angus & Julia Stone (Big Jet Plane), Kasey Chambers (Little Bird), Birds of Tokyo (Plans) and the John Butler Trio (Revolution).
The ceremony will also see Paul Kelly take home the Ted Albert Award for outstanding services to Australian music.
The Apra Awards will take place in Sydney on 21 June (11).