SXSW (Austin, Texas)

"South by Southwest (SXSW) is a set of film, interactive, and music festivals and conferences that take place early each year in mid-March in Austin, Texas, United States." SXSW is arguably one of the most important festivals around. If you like your food smothered in BBQ sauce, and fancy seeing a lifetime's supply of music in the space of a week, them this is probably the festival for you.