by Christabel Stewart on 19 December 2005. Rehearsal II "Promise and disappointment" are the key to this peformance staged in New York's Slipper Room in November. A key 'Performa' biennale commission by influential Belgian artist Francis Alys, a soprano, a pianist and a stripper create the scenario. Comment Log into my account | Sign up Your Name Your Comment RefreshEnter the characters shown in the image. Not case sensitive.