Amazing set for only $30:

  • 5x Super Audio CD (SACD) with 5.1 mixes
  • 2x Blu-ray Pure Audio with one included performance video

SACD is a 1-bit format with an extremely high sample rate (2.8224 MHz) and up to six channels of discrete sound. It never really broke through but has a niche following

Beethoven: The Complete Symphonies by Gianandrea Noseda for the National Symphony Orchestra at The Kennedy Center