Perspectives: Daniel Barenboim Elliott Carter is the holder of the 2008-2009 Richard and Barbara Debs Composer's Chair at Carnegie Hall. At this concert, the 100th birthday of composer Elliott Carter was celebrated. Following the performance of his "Interventions," Elliott Carter was escorted by Virgil Blackwell and security to the stage via the stage stairs to and presented with a large birthday cake, after which the orchestra performed "Happy Birthday." NEW YORK PREMIERE of Elliott Carter's INTERVENTIONS (CHC co-commission)