text: On December 11 , 2008 , Carter celebrated his 100th birthday at Carnegie Hall in New York , where the Boston Symphony Orchestra and pianist Daniel Barenboim played his Interventions for Piano and Orchestra from 2008 .
simplified: He recently composed a piece called Interventions for Piano and Orchestra which was given its first performance in the Symphony Hall , Boston where it was played by the Boston Symphony Orchestra conducted by James Levine with the pianist Daniel Barenboim as soloist . The same players played it again a week later on 11 December 2008 in the Carnegie Hall , New York to celebrate Carter 's 100th birthday .