 They formed a lifelong gay partnership and shared interests in music (forming one of the most important piano duos of the 20th century), travel, and cooking.It has often been said that Gold and Fizdale revolutionized the art of performing as a two-piano duo.While this may be a subjective statement, it must objectively be stated that they did commission and première many of the most important works for this ensemble in the second half of the 20th century, including works by John Cage ("A Book of Music" (1944) which is one of Cage's earliest experiments in using the prepared Piano), Paul Bowles, Virgil Thomson, Ned Rorem and many other important American Composers.