You can listen to the file using foobar2000 (Windows) with the DVD-Audio Decoder input plugin.
NOTE: DVD-Audio is NOT the same thing as a DVD-Video. For more information on what a DVD-Audio is then go here: https://en.wikipedia.org/wiki/DVD-Audio
DVD-Audio Image By DVD Format / Logo Licensing Company (DVD FLLC) [1] - DVD Application Logos.pdf on DVD FLLC website., Public Domain, https://commons.wikimedia.org/w/index.php?curid=22628295
Because Words Can't Take You There (DVD-Audio)
An Abstract View (DVD-Audio)
Pond (DVD-Audio)
Dark Edges (DVD-Audio)
You can download the free version from at archive.org
Perception (DVD-Audio)
Highway 1 (DVD-Audio)
Trajectories (DVD-Audio)
Ambient Life Vol. 1 (DVD-Audio)
Ambient Life Vol. 2 (DVD-Audio)
Ambient Life Vol. 3 (DVD-Audio)
Invisible Order (DVD-Audio)