DG's 20-bit transfer reveals more tape hiss than before, while the orchestral image is better focused, with more definition at the bottom end. Some have likened Herbert von Karajan's "chamber-music approach" to Wagner's Ring cycle in terms of his scaling down or deconstructing the heroic roles. This approach has less to do with dynamics per se than it does with von Karajan's masterful balancing of voices and instruments.
The production of a new Ring at the Bayreuth Festival is an event that takes place every six years. Bayreuth recordings of the complete cycle are rare; this is only the third official audio recording and the second filmed version. The Kupfer/Barenboim Ring was performed over a five-year period and recorded at the conclusion when the "Bayreuth Workshop" had raised "the quality of the performance to an almost unsurpassable level".