American soprano Erin McMahon with her “shimmering silvery voice” made her operatic debut with Théâtre du Capitôle, Toulouse as The 15-year- old girl in Pet Halmen's critically acclaimed production of Lulu.

In 2004 she joined the ensemble of the Salzburger Landestheater where she quickly became a favorite among critics and audiences alike. Some of her roles here have included Zerlina Don Giovanni , Pamina The Magic Flute , Nannetta Falstaff , Frasquita Carmen , Valencienne The Merry Widow , Stéphano Romeo and Jiulliet , Arsena The Gypsy Baron , and Serpetta La Finta Giardiniera . Her portrayal of the role Flora in Britten's Turn of the Screw , under the baton of Ivor Bolton, earned her the nomination for the 2005 Eberhard Wächter Medal. Her collaboration with Ivor Bolton continued in 2007 when she sang the role of Emmie in Britten's Albert Herring .

Her guest engagements have included Nannetta Falstaff at the Hessisches Staatstheater Wiesbaden, Susanna The Marriage of Figaro and Pamina The Magic Flute in Rome, Gretel Hansel and Gretel and The Strawberry Seller/Strolling Player in Stephen Medcalf's production of Death in Venice for the Salzburger Landestheater, Papagena The Magic Flute at the Salzkammergut Mozart Festival, where she returns in August 2010 as Susanna in the Marriage of Figaro .

Erin McMahon has appeared in concert throughout the United States , Austria , Germany , and Italy , and was the featured soloist with the Salzburg Mozart Ensemble during their 2003 tour of Japan . She was a prize-winner in the National Association of Teachers of Singing Vocal Competition and a finalist for the 2002 Friedrich Schorr Memorial Performance Prize.