After a one-year research stay in Italy to study sources for the Neue Mozart-Ausgabe, he became an assistant at the Musicological Institute of Hamburg University. He got his habilitation there with a thesis on the earliest counterpoint music pieces in the Middle Ages. In 1970 he took over the management of the Archiv Produktion of Deutsche Grammophon. After various stages of his career within Deutsche Grammophon Gesellschaft, he became Managing Director and President of Deutsche Grammophon in 1987.
Holschneider lived in Baden-Baden until his death there in September 2019 at age 88.[1][2]
Publications
Articles
Wolfgang Amadeus Mozart. Neue Ausgabe sämtlicher Werke. (Internationale Stiftung Mozarteum, Salzburg, Bärenreiter) Serie X, Werkgruppe 28, volumes 1–4: Bearbeitung von Werken Georg Friedrich Händels "Acis und Galatea", "Messias", "Das Alexander-Fest", "Ode auf St. Cäcilia" daselbst
Bühnenwerke Serie X, volume 13 "L'Oca del Cairo", Addendum and crit. Report.
Books
Die Organa von Winchester. Studien zum ältesten Repertoire polyphoner Musik. Olms, Hildesheim 1967, DNB-IDN482229039.[3] (Habilitation).
Was bedeutet uns Franz Liszt?. (Veröffentlichung der Joachim-Jungius-Gesellschaft der Wissenschaften. No. 31). Vandenhoeck & Ruprecht, Göttingen 1977, ISBN3-525-85557-5.[4]