A glittering company pays a centennial salute to Irving Berlin in this Carnegie Hall gala. On the bill: Tony Bennett, Frank Sinatra, Leonard Bernstein, Barry Bostwick, Tommy Tune, Ray Charles, Rosemary Clooney, Natalie Cole and Michael Feinstein. Highlights include "When I Lost You," "Always," "White Christmas," "Blue Skies" and "Puttin' on the Ritz."