[1] She was the dedicatee of Edvard Grieg's song cycle Haugtussa and took past in many theatrical productions during her musical career.
Dagmar Möller studied with Désirée Artôt in Paris and made her debut at the Royal Swedish Opera in 1887.
She was a teacher of singing at the Music Conservatory from 1900 to 1926 and at the Operahögskolan i Stockholm from 1903 to 1913, as well as in theatrical productions from 1900 to 1913.
[1] She was also of great significance for the spreading of Nordic novel songs and sang works by Grieg.
[3] Dagmar Möller was elected to the Royal Swedish Academy of Music as member 507 on 26 March 1903, and was awarded the Litteris et Artibus in 1911.