He sang a wide repertoire from operetta to Lohengrin, recording among others opera and lieder, doing television, radio and film work.
[1] When he was 18 and still continuing his musical studies that took him to Cologne, Hanover and Berlin, Schock joined the opera chorus at Theater Duisburg in the city of his birth.
He sang the title role at Idomeneo at the Salzburg Festival and took part in the premiere there of Rolf Liebermann's, Penelope and the Vienna State Opera's first staging of Lulu.
[citation needed] Schock's most impressive performances include the roles of Paul in Die Tote Stadt (Korngold), and multiple Puccini principals.
Aged 71, he died suddenly of a heart attack in Gürzenich a district of the town of Düren where he had made his home.