Symphonie no. 1: "Versuch eines Requiems" - Hartmann, Karl Amadeus and Martinů, Bohuslav and Nono, Luigi and Schönberg, Arnold and Metzmacher, Ingo and Leonard, Sarah and Kallisch, Cornelia and Randle, Thomas and Samel, Udo and Beck, Rolf (EMI Classics, 1996)
https://katalog.adlr.link/Record/0-1600024238