Serj Tankian and Hot Chip are among the latest acts announced for Big Day Out 2009.
Florida's Black Kids, rapper Lupe Fiasco and Dropkick Murpheys have also been to the bill alongside Holy Ghost! and Pee Wee Ferris.
Died Pretty, The Vines, Children Collide, Sparkadia, The Getaway Plan and Little Red will only play the Australian shows alongside Mammal, Mercy Arms, Ajax and Andee Frost.
The Drones will only appear at East Coast events, while Z*Trip will play the East Coast and New Zealand only.
Today's confirmations join Arctic Monkeys, Neil Young, The Prodigy and Pendulum and more. Click HERE for the latest line-up.
Big Day Out 2009 will tour the following cities:
Auckland – 16 Jan
Gold Coast – 18 Jan
Sydney – 23 Jan
Melbourne – 26 Jan
Adelaide – 30 Jan
Perth – 1 Feb
Tickets for all the shows are on sale now except for the Gold Coast and Sydney shows where ticket ballots are open. Click HERE to buy tickets.