In “The Little Drummer Boy”—now available on Carnegie Hall —Leonard Bernstein relives his experiences with Mahler’s music. From the composer’s earliest works to his renowned symphonies—of which Bernstein was the first conductor to record the complete cycle—the film explores the brilliance of Mahler’s compositions and Bernstein’s interpretations through performances with the Vienna Philharmonic / Wiener Philharmoniker and more: carnegiehallplus.com | Carnegie Hall