Unknown pleasures: do we enjoy art more if it's anonymous?
The Royal Court has staged work by top-secret playwrights and Dance Umbrella is presenting new commissions by unnamed choreographers. Mystery performances can be liberating for artists as well as audiences"I explained it when I danced it," Margot Fonteyn supposedly said when asked what one of her performances meant. For the renowned ballerina, there was no need for exposition and analysis, she let her body do the tal…