onja Bühler was born in Schiltach in South-Germany and studied voice performance in the USA at Rowan University and at the Musikhochschule in Freiburg, Germany.
During the course of her studies she sang several opera roles and gave her concert debut in the Milan dome, followed by many concerts and recitals across Europe, the USA, South-America and Asia.
Her broad repertoire reaches from medieval music to the renaissance and romantic period and to modern music. In Freiburg she sang the role of Bethsheba in the world premiere of the opera „King David“ by Uros Rojko and performed it again one year later in Ljubljana, Slowenia.
In 2011 she recorded cantatas by Ch. Graupner, which hadn’t been published up to then, under the direction of Hans Michael Beuerle. She sang her debut as Vespetta in the Intermezzo opera „Pimpinone“ by Telemann in Schloss Hundisburg in 2012 and 2016 in Kloster Maulbronn, Germany.
At the Baden-Baden Easter-Festival 2016 she participated in an opera workshop for children and sang Isolde (Tristan and Isolde) by Richard Wagner.
In 2018 she sang the German premier of the work „Lux eterna“ by Thomas E. Cornelius in the Laeiszhalle and was soprano soloist at a concert with the NDR radio choir at the Elbphilharmonie in Hamburg under the direction of Kaspars Putnins.
The CD „Hymne au Soleil“ with works by Lili Boulanger on which she appears as soloist as well as part of the Orpheus Vokalensemble is nominated for the International Classical Music Award 2019.
As a founding member of the ensemble Chapelle de la Vigneshe dedicates herself to historically informed practice of baroque music. Sonja Bühler sings also regularly in various other ensembles such as the SWR Vokalensemble, RIAS Kammerchor, NDR radio choir and the Zürcher Sing-Akademie.