The annual Lights All Night festival, the two-day electronic music spectacle, will return to Dallas for its 8th edition on Friday and Saturday, Dec. 29-30. Headliners are Bassnectar and Porter Robinson, who will do a DJ set. Other performers include Illenium; Seven Lions; Ugly God; Smokepurpp; AC Slater; Destructo; Drezo; TOKiMONSTA; Ookay; CARLYLE; DEVAULT; Niko The Kid; Vincent and Whipped Cream.