Question: Which of the artist with which Orfeo International Music released many classical own productions was born on 28 May 1925?
Sentence (from "Orfeo (record label)"): In addition, it has a well-known sub-label "ORFEO D'OR", publishing legendary live performances from the archives of the Salzburg Festival, the Bayreuth Festival, the Bavarian State Opera, the Vienna State Opera, the Bavarian Radio Symphony Orchestra etc.
Relevant evidence: No