Since you are interested in Wagner: Siegfried (complete opera recorded 2017), here is a list of other items that you may find interesting.
Luciano Pavarotti (tenor) with various guests
Pavarotti - The Greatest Hits
[ Decca Music Group / 3 CD - released 27/Jun/2019 ]
The very best of Luciano Pavarotti - the world's greatest tenor. This package includes a 20 page photo booklet.
Blake: Symphony - Voices
The New Zealand Symphony Orchestra, Bramwell Tovey
[ Atoll Records New Zealand / CD - released 11/Jun/2019 ]
A dramatic symphonic journey through T. S. Eliot's "The Waste Land", recorded live.