Buzzfeed counts down 30 of the hottest young bands to check out at SXSW 2013, starting with breakout band Wildcat! Wildcat! and ending with returning headliner Passion Pit. The focused list serves as a great guide for anyone setting out to navigate the massive Austin music fest. Some of our favorites include Charli XCX, Kendrick Lamar, Alt-J, Beach Fossils, Sky Ferreira, Unknown Mortal Orchestra and Haim.