Taylor helped Carnegie Hall commemorate its 125th anniversary Thursday night with a gala concert that included performances by singer/pianist Michael Feinstein, soprano Renee Fleming, mezzo-soprano Isabel Leonard, pianists Emanuel Ax and Lang Lang, violinist Itzhak Perlman and cellist Yo-Yo Ma. Host Richard Gere paid tribute to the violinist Isaac Stern, who made his Carnegie Hall debut in 1943, led the campaign that saved the hall from demolition after the New York Philharmonic moved to Lincoln Center in the 1962 and served as Carnegie's president until his death in 2001. Both programs were solely classical, with no musical tribute to the jazz greats who performed at Carnegie or the rock bands such as the Beatles and Rolling Stones. With Pablo Heras-Casado conducting the Orchestra of St.