Born in Garmisch-Partenkirchen on 28 September 1949,[1] Blochwitz first studied computer science at the Technische Hochschule Darmstadt[2] and holds a Ph.D.[1] He studied singing from 1975 in Mainz with Elisabeth Fellner Köberle and in Frankfurt with Erna Westenberger and Karlheinz Jarius.
[2] He made his operatic debut in September 1984 as Lenski in Tchaikovsky's Eugen Onegin at the Frankfurt Opera; he subsequently sang in Brussels, Geneva, Hamburg, Milan, and Vienna, especially as a Mozart singer.
[2] In 1991 he appeared as Belmonte in Mozart's Die Entführung aus dem Serail at the Salzburg Festival.
[5] His recorded works include several oratorios: Bach's St Matthew Passion, Christmas Oratorio and Mass in B minor, Mozart's Requiem in the Süssmayr completion, Haydn's Die Schöpfung, Mendelssohn's Paulus, and Mahler's Das klagende Lied and Das Lied von der Erde.
In opera, he recorded Mozart's La finta semplice, Così fan tutte, Don Giovanni, Die Entführung aus dem Serail (video, DVD) and Die Zauberflöte, and Beethoven's Fidelio (as Jacquino).