Perspectives: Daniel Barenboim Perspectives: Pierre Boulez Pierre Boulez is the holder of the 1999-2000 Richard and Barbara Debs Composer's Chair at Carnegie Hall. Isaac Stern presented flowers to Pierre Boulez in honor of Boulez's 75th birthday. U.S. PREMIERE of George Benjamin's PALIMPSEST (commissioned by the CHC, the Edinburgh International Festival, Internationale Musikfestwochen Luzern, Kolner Philharmonie, and the London Symphony Orchestra