[1] Born in Düsseldorf, Marquardt studied singing with Werner Lechte at the Robert Schumann Hochschule.
He appeared in Wagner's Parsifal, conducted by Simon Rattle, in Amsterdam and in Elektra with Lorin Maazel at the Salzburg Festival.
From 1996 to 2000, Marquardt worked at the Stuttgart State Opera, including Papageno in Mozart's The Magic Flute and the title roles in The Marriage of Figaro[2] and Verdi's Rigoletto.
[3] In 2006, he appeared in the recorded final concert of the Rheingau Musik Festival in Mozart's Great Mass in C minor.
The version of Robert D. Levin was performed by the Gächinger Kantorei, Bach-Collegium Stuttgart, conducted by Helmuth Rilling, the other soloists being Diana Damrau, Juliane Banse and Lothar Odinius.