Olaus Andreas Grøndahl

Olaus Andreas Grøndahl (4 November 1847 — 31 December 1923) was a Norwegian conductor, singing teacher and composer. The music journalist Cecilie Dahm described him as "... a central figure in Norway's choral movement". His best known work was Foran Sydens Kloster (Ung Magnus og Foran sydens kloster), a cantata for male choir. He also conducted the first performances of several choral works by Edvard Grieg.

Read more about this composer on Wikipedia.