Wikipedia says:
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The Big Day Out (BDO) is an annual music festival held in several cities in Australia and New Zealand in late January. It started in Sydney in 1992, spread to Adelaide, Melbourne and Perth by 1993, with the Gold Coast and Auckland joining in 1994. As of 2003, it has featured seven or eight stages (depending on the venue) accommodating popular contemporary rock music, electronic music, mainstream international acts and local acts.
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It was awesome, I saw Tool, Rammstein, Crystal Castles and heaps more.
I'm glad that you're better hun.