Peter Sonn was born in Salzburg where he completes his vocal studies at the University of Music and Performing Arts Mozarteum with distinction. Already during his studies, he made his debut with Salzburg Festival and at the Baden-Baden Festspielhaus.
In the course of his engagements at the Landestheater Coburg, the Tiroler Landestheater Innsbruck and the Staatstheater am Gärtnerplatz in Munich, he acquired the repertoire of several central roles as a lyric tenor: Belmonte (Die Entführung aus dem Serail), Don Ottavio (Don Giovanni), Ferrando (Così fan tutte), Tamino (Die Zauberflöte), Lorenzo (Fra Diavolo), Marquis von Chateauneuf (Zar und Zimmermann), Steuermann (Der fliegende Holländer), Lenski (Eugene Onegin), Nemorino (L'elisir d'amore), Alfredo (La Traviata), Arnim (Simplicius) and Camille (Die lustige Witwe). In Coburg, he was awarded the scholarship of the Richard-Wagner-Society. He also appeared in guest performances in Torino and Catania. Peter Sonn made guest appearances with Salzburg Festival 2006 (Die Schuldigkeit des Ersten Gebots - released on DVD by 'DG'), 2008 (Die Zauberflöte) and 2011 as Jüngling (Die Frau ohne Schatten – DVD production by 'Opus Arte').
From 2009 to 2012, Peter Sonn was an ensemble member of the Zurich Opera where he extended his repertoire with the roles of Henry Morosus (Die schweigsame Frau), Vladimir Igorevich (Fürst Igor), The Italian Tenor (Der Rosenkavalier) and Narraboth (Salome).
Mozart's Tamino accompanies him throughout his career; Peter Sonn made his debut with this role at the Frankfurt Opera in 2010, at the Hamburg State Opera in 2011 and at the Komische Oper Berlin in 2012 (new production directed by Barry Kosky). Sonn's first performance at the Scala in Milan was the Jüngling (Die Frau ohne Schatten) in 2012. Already in 2011, he appeared for the first time with the Berlin Radio Symphony Orchestra as David, followed by his role debut as Walther von der Vogelweide (Tannhäuser) in 2012 - both with CD-recordings for 'PentaTone'. Within season 2012-2013, he appeared in Hamburg, Berlin and Chicago before joining the Salzburg Festival again, singing the role of David in Wagner's Die Meistersinger von Nürnberg. In 2014 he will make his debut with the Berlin State Opera as Walther von der Vogelweide in a new production of Tannhäuser.
Peter Sonn's concert repertoire covers sacred music such as Mozart's Requiem, Handel's The Messiah, Beethoven's C-major-Mass and Britten's Serenade for tenor and horn as well as Lieder by Beethoven, Bellini, Bononcini, Donizetti, Mozart, Pergolesi, Scarlatti, Schubert, Schumann and Tchaikovsky. He works regularly with acknowledged conductors like Marc Albrecht, Christoph von Dohnanyi, Vladmir Fedosejev, Daniele Gatti, Michael Gielen, Marek Janowski, Philippe Jordan, Riccardo Muti, Ulf Schrimer, Peter Schneider, Jeffrey Tate, Franz Welser-Möst and Christian Thielemann as well as under the stage direction of Sven-Eric Bechtolf, John Dew, Claus Guth, Karl Ernst & Ursel Herrmann, Jens-Daniel Herzog, Barry Kosky, Harry Kupfer, Moshe Leiser & Patrice Caurier, Christof Loy and David Pountney.