London’s Victoria Park hosted the London Electronic Dance Festival on Friday and Saturday, with sets from Calvin Harris, Soulwax, and Goldfrapp among many others. Die Antwoord invaded Aphex Twin’s set for a (nice?) surprise appearance (both were on the line-up, just not together). According to the comments, Die Antwoord were blended into Aphex Twin better than this clip reveals, but either way it seemed like a rowdy time. Watch: