Soundwave was an annual music festival held in major cities around Australia, run and promoted by Soundwave Touring. The festival originated in Perth, Western Australia, and began travelling to the other Australian capital cities in 2007. It featured a number of international and Australian music acts from various genres, including rock, metal and punk. The festival has been headlined by Deftones, the Offspring, Incubus, Alice in Chains, Bloodhound Gang, Nine Inch Nails, Faith No More, Jimmy Eat World, Jane's Addiction, Soundgarden, Iron Maiden, Queens of the Stone Age, the Smashing Pumpkins, System of a Down, Slipknot, Green Day, Avenged Sevenfold, Linkin Park, Blink-182 and Metallica.

Slipknot is an American heavy metal band formed in Des Moines, Iowa, in 1995 by percussionist Shawn Crahan, former vocalist Anders Colsefni and bassist Paul Gray. After several lineup changes in its early years, the band settled on nine members for more than a decade: Crahan, Gray, Joey Jordison, Craig Jones, Mick Thomson, Corey Taylor, Sid Wilson, Chris Fehn, and Jim Root. Slipknot is well known for its attention-grabbing image, aggressive style of music, and energetic and chaotic live shows.