Would You Buy a Performance? A New Brussels Fair Tries to Make Art’s Most Elusive Medium Appealing to CollectorsWould You Buy a Performance? A New Brussels Fair Tries to Make Art’s Most Elusive Medium Appealing to CollectorsWould You Buy a Performance? A New Brussels Fair Tries to Make Art’s Most Elusive Medium Appealing to Collectors art times2019-09-10T11:21:44+02:00