Tenor Christian Elsner has a large repertory that has shifted toward heldentenor roles. He also sings lieder and performs in concert works, and he is an important educator. In addition to a long list of operatic credits, Elsner has released more than ten solo albums. These include a 2015 album of Schubert lieder orchestrations by Max Reger and Anton Weber. In 2021, with Marek Janowski as conductor, he appeared in a new recording of Beethoven's Fidelio, opposite soprano Lise Davidsen. Elsner began teaching at the Hochschule für Musik Würzburg in 2006 and then at the Hochschule für Musik Karlsruhe in 2017. Among his other educational activities are three children's books based, respectively, on Mozart's Die Zauberflöte, Weber's Der Freischütz, and Wagner's Ring cycle.