ArkivMusik appears to have engaged in a bit of wishful thinking. Either that or a kind of playfully malicious fraud.
This recording of Haydn’s Jahreszeiten? I know for a fact that the soloists on this recording are Genia Kühmeier, Werner Güra and Christian Gerhaher. Not Dorothea Röschmann, Michael Schade and Christian Gerhaher as the website indicates.