[1] Sans has performed in the Wiener Konzerthaus with Michael Schneider, the Teatro Colon with Karl-Friedrich Beringer, at the Feldkirch Festival with Thomas Hengelbrock, the Kölner Philharmonie with Peter Neumann [de], the Berliner Philharmonie with Hans-Christoph Rademann, the Dresdner Kreuzkirche with Roderich Kreile, the Leipziger Thomaskirche with Gotthold Schwarz, and the Alte Oper in Frankfurt with Ralf Otto.
In 2009 he performed Mendelssohn's Paulus with the Landesjugendorchester (State Youth Orchestra) of NRW.
[3] In 2001 he sang there the tenor part in Britten's The Company of Heaven for speaker, soloists, choir and orchestra (1937), which the composer had written for Peter Pears.
[4] In 2009 he was the tenor soloist (Uriel) in Haydn's Die Schöpfung with Elisabeth Scholl (Gabriel, Eve), Andreas Pruys (Raphael, Adam) and the Neue Rheingauer Kantorei in the Rheingauer Dom in Geisenheim and in the Basilika of Schloss Johannisberg.
He recorded the Levin completion of Mozart's Requiem with the Bachchor Mainz, L'arpa festante München, Julia Kleiter, Gerhild Romberger, and Klaus Mertens, conducted by Ralf Otto, Schubert's Mass in E-flat major with Matthias Breitschaft, and Mendelssohn's Elias with Ronen Borshevsky.