BYF3872842: Lou Harrison, 1983 (photo) / Bridgeman Images

BYF3853470: Portrait of Steven Mackey, 1991 (photo) / Bridgeman Images

BYF3853504: Portrait of Steven Mackey, 1991 (photo) / Bridgeman Images

BYF3853528: Portrait of Steven Mackey, 1991 (photo) / Bridgeman Images

BYF3853330: Thomas Adès in Los Angeles, 1997 (photo) / Bridgeman Images

BYF3853344: Thomas Adès in Los Angeles, 1997 (photo) / Bridgeman Images

MDS3863432: Cello bridges - back to back / Bridgeman Images

BYF3862805: Philip Glass, 1977 (photo) / Bridgeman Images

BYF3862831: Philip Glass, 1977 (photo) / Bridgeman Images

BYF3862875: Philip Glass, 1989 (photo) / Bridgeman Images

BYF3859940: Mark-Anthony Turnage, London, 1998 (photo) / Bridgeman Images

BYF3860905: John Adams, 1999 (photo) / Bridgeman Images

BYF3860165: Mauricio Kagel laughing (photo) / Bridgeman Images

BYF3860182: Louis Andriessen, 1988 (photo) / Bridgeman Images

BYF3860214: Morton Feldman, 1985 (photo) / Bridgeman Images

BYF3860356: Young La Monte, 1985 (photo) / Bridgeman Images

BYF3860366: Nagano Kent, 1997 (photo) / Bridgeman Images

BYF3860457: George Benjamin playing the piano, 1998 (photo) / Bridgeman Images

BYF3860468: Witold Lutoslawski, 1989 (photo) / Bridgeman Images

BYF3860315: Joan La Barbara, 1985 (photo) / Bridgeman Images

BYF3860317: Ernest Fleischmann, 1988 (photo) / Bridgeman Images

BYF3873568: Boulez and Hans Xaver, 1999 (photo) / Bridgeman Images

BYF3851260: Bussotti Sylvano, 1991 (photo) / Bridgeman Images

BYF3861517: Harrison Birtwistle, 1998 (photo) / Bridgeman Images

BYF3861520: Birtwistle Harrison, 1998 (photo) / Bridgeman Images

BYF3861526: György Kurtag, 1993 (photo) / Bridgeman Images

BYF3861315: Conlon Nancarrow, 1983 (photo) / Bridgeman Images

BYF3861326: Nono Luigi, Turin, Italy, 1987 (photo) / Bridgeman Images

BYF3861328: Nono Luigi, Turin, Italy, 1987 (photo) / Bridgeman Images

BYF3861336: Lou Harrison with John Cage, 1977 (photo) / Bridgeman Images

BYF3861076: John Woolrich, Dartington, UK, 1998 (photo) / Bridgeman Images

BYF3861077: John Woolrich, Dartington, UK, 1998 (photo) / Bridgeman Images

BYF3861089: Mellers Wilfrid (Howard) (photo) / Bridgeman Images

BYF3861092: Alfred Garyevich Schnittke, 1990 (photo) / Bridgeman Images

BYF3861112: Detlev Bramert, 1999 (photo) / Bridgeman Images

BYF3861117: Holt Simon, 1999 (photo) / Bridgeman Images