A 12-CD set of Haydn's works conducted by Leonard Bernstein and the New York Philharmonic. - Title: Bernstein Haydn - Number of discs: 12 - Contents: London Symphonies, Paris Symphonies, Masses, The Creation, etc. - Orchestra: New York Philharmonic - Conductor: Leonard Bernstein Thank you for viewing. Bernstein/New York Phil, London Symphonies Haydn: London Symphonies, Paris Symphonies, Masses (12-disc set, import)