Oxegen is an annual music festival, hel since 2004, sponsored by Heineken International. It was previously called Witnness, which ran from 2000 and was sponsored by Guinness. Oxegen was originally a two-day festival but for 2008 will be expanded to three days. It takes place at the Punchestown Racecourse in County Kildare, Ireland and has an average attendance of around 80,000 a day, with around half of these camping on site for the duration, and the rest travelling to the site each day. The festival is promoted by MCD.