This is a lovely disc, but the musicians are being let down by problems with the DVD authoring/mastering. As a stereo downmix, the levels are too low, which compromises the ability to play it back without getting too high a noise floor. Further, the package says it was recorded and mixed in 24/48 resolution. Why then is the DVD Audio MLP presented at 24/44.1? The explanation could be that it is a simple typo, but perhaps Naxos is not using the original high resolution audio here. Maybe it was sample-rate converted. There's no way to tell.
It's sad to see these problems. They are inexcusable.