The Rock2Wgtn Festival was a two-day music festival. It is the second major music festival to be held in New Zealand, the first being the Big Day Out, but Rock2Wgtn is the first purely metal/rock festival. It is also the first two-day festival, as the Big Day Out is held over a single day. It was held at the Westpac Stadium, informally known as The Cake Tin due to the shape of the building.