Strauss: Der Rosenkavalier / Thieleman, Fleming, Koch [DVD] Christian Thieleman, Renée Fleming, Diana Damrau, Sophie Koch, Franz Hawlata https://www.amazon.co.uk/Richard-Strauss-Rosenkavalier-Ren%C3%A9e-Fleming/dp/B00UGQ8ZF0
Strauss: Der Rosenkavalier / Stoyanova, Koch, Groissbock, Erod, Erdmann [Blu-ray] Salzburg Festival 2014 Krassimira Stoyanova (The Feldmarschallin), Sophie Koch (Octavian), Mojca Erdmann (Sophie), Silvana Dussmann (Marianne Leitmetzerin), Wiebke Lehmkuhl (Annina), Günther Groissböck (Baron Ochs auf Lerchenau), Adrian Eröd (Herr von Faninal), Kresimir Spicer (Valzacchi), Stefan Pop (A Singer), To..
Mozart: Così fan tutte / Martinez, Koch, Donath, Honeck [DVD] Conductor – Manfred Honeck Vocals [Despina] – Helen Donath Vocals [Don Alfonso] – Thomas Allen Vocals [Dorabella] – Sophie Koch Vocals [Ferrando] – Shawn Mathey Vocals [Fiordiligi] – Ana Maria Martinez Vocals [Guglielmo] – Stéphane Degout https://www.discogs.com/ko/release/23635382-Wolfgang-Amadeus-Mozart-Cos%C3%AD-Fan-Tutte