Marie Sundelius

Marie Sundelius (4 February 1882 - 27 June 1958) was a Swedish-American classical soprano. She sang for many years with the Metropolitan Opera in New York City and later embarked on a second career as a celebrated voice teacher in Boston.

Born Marie Sundborg in Karlstad, Sweden, Sundelius moved to the United States at the age of nine, ultimately settling in Boston with her family in 1894. She graduated from The Dearborn School in 1897. She began to study music first with Frederick Bristol and later Enrica Clay Dillon. She also had coaching lessons with Swedish composer, Wilhelm Peterson-Berger in , and French lyric tenor Edmond Clément in Paris. She married Gustaf Sundelius, a Swedish born businessman, in Boston in 1906.

Sundelius began performing professionally in concerts and oratorios in Boston in 1910, making her debut performance under the baton of Karl Muck. In December 1915 she came to New York City for the first time to sing as a soloist in the world premiere of Marco Enrico Bossi's Jeanne d'Arc with the Oratorio Society of New York. The performance was attended by Giulio Gatti-Casazza, the General Manager of the Metropolitan Opera, who immediately approached her afterwords with an offer to join the roster of singers at the Met. She accepted, and made her opera debut at the "Old Met" on November 25, 1916 as the First Priestess in Christoph Willibald Gluck's Iphigénie en Tauride with Melanie Kurt in the title role and Artur Bodanzky conducting.

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