The Downtown Austin Alliance and KUT host this evening of seasonal spirit starting with carols on the South Steps of the state Capitol at 6pm. The Capitol tree is lit at 7pm followed by an invitation to take a walk down Congress Avenue where stores and museums will be open late and lousy with specials. Blue Lapis Light will even have an aerial performance at 816 Congress at 7:40 and 8:25pm. Sat., Dec. 7, 6pm (2013). Free.