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With over fifty roles to his credit, baritone Jason Detwiler has become well-known for his magnetic and energizing stage performances. His voice and acting have been described as "emotionally fervid", "richly expressive" and "commanding", as he possesses a diverse repertoire ranging from the comedic Papageno (Die Zauberflöte) and Guglielmo (Cosi fan tutte) to the dramatic Germont (La traviata) and Escamillo (Carmen). Among his most widely acclaimed roles are the title roles of Il barbiere di Siviglia and Eugene Onegin, as well as Malatesta (Don Pasquale), Zurga (Les pêcheurs de perles), and John Proctor (The Crucible). His concert credits include: Bach's St. John Passion, Haydn's Creation, Mozart's Requiem, Faure's Requiem, Handel's Messiah, Beethoven's Ninth Symphony, Dvorak's Te Deum, Saint-Säens' Christmas Oratorio, Mollicone's Beatitude Mass, Ahab in Bernard Herrmann's Moby Dick and Einhorn's Voices of Light.
In the 2017-2018 season, Mr. Detwiler reprised Curly (Oklahoma!), Melchior, performed a re-imagining of Schubert’s song cycle in The Winterreise Project: Redux, and debuted with Heartland Festival Orchestra as soloist in Beethoven's Ninth Symphony and as Belcore (L'elisir d'amore) with his hometown Opera Idaho.
The baritone has performed nationally with San Diego Opera, Virginia Opera, Opéra Théâtre d'Avignon (France), Wichita Grand Opera, Opera Santa Barbara, Opera Parallèle, Center for Contemporary Opera, Syracuse Opera, Sacramento Opera, Cinnabar Opera Theater, Spokane Opera, Opéra Louisiane, Shreveport Opera, Festival Opera of Walnut Creek, Opera Coeur d'Alene, Rimrock Opera, Sonoma City Opera, West Bay Opera, Trinity Lyric Opera, Vallejo Symphony Orchestra, the American Philharmonic Sonoma County, the Idaho State-Civic Symphony, the Boise Philharmonic, the Boise Master Chorale, the Masterworks Chorale of San Mateo and the Auburn Symphony. From 2002-2006, he was part of Irene Dalis' Opera San Jose as a Principal Resident Artist singing 18 lead roles. The baritone has continued to expand his repertory with the musical leads in Carousel, The King & I, Oklahoma, and most recently, South Pacific.
Currently, Mr. Detwiler resides in Boise, Idaho with his wife, mezzo-soprano Michele Detwiler, and their two children.