Sandbox takes over Ivy Courtyard for an open-air day rave, headlined by Germany’s KUKO. SANDBOX PRESENTS KUKO (GER) Sandbox takes over Ivy Courtyard on Saturday 14 November for an open-air day rave headlined by Germany’s KUKO. From afternoon into night, expect heavy beats, high energy and a dancefloor united under the open sky. Joining KUKO is a stacked lineup featuring RAXELLER (HOL), HIJCKD, LESTRANGE, LUKE NOIZE and MARA. Seven hours. One courtyard.