Desc: Sphinxes Without Secrets: Directed by Maria Beatty. With Laurie Anderson, Lenora Champagne, Diamanda Galás, Holly Hughes. Since its inception, performance art provided a forum for those artists whose work challenges the dominant aesthetic and cultural status quo. In "Sphinxes Without Secrets", performers, curators and critics unravel the mysteries of performance art and ponder the world women confront today.