Christoph has been a member of the St. Florianer Sängerknaben since 2007.
He played in the roles of Tamino in the choir's own theatre production "Zauberflöte XXS" and Adele in the choir's theatre production "Fledermaus XXS". In December 2008 he performed as soloist in Howard Blake's "Schneemann" (The Snowman) at the Brucknerhaus. He also sang in the role of Zweiter Knabe in Mozart's Zauberflöte in Aix en Provence under the direction of René Jacobs.
On Alois Mühlbacher's solo debut album he is featured in the recording of "Spiel ich die Unschuld vom Lande".