Glass, born in Copenhagen, was almost an exact contemporary of Carl Nielsen and like Nielsen was a student of Niels Gade. However, Glass also studied at the Brussels Conservatory where he became enamored of the music of César Franck and Anton Bruckner, both of whom stylistically influenced his writing. For several years, he was one of Denmark's leading concert pianists until a paralysis in one arm made him retire from the stage. He then devoted himself primarily to composing. He composed in most genres and wrote several chamber music works of worth, including four string quartets, a string sextet, a piano trio, a piano quintet and several instrumental sonatas.
Glass died in Copenhagen.
- Baker, Theodore (1919). Remy, Alfred, ed. Baker's Biographical Dictionary of Musicians. New York: Schirmer. p. 313.
- Cobbett's Cyclopedic Survey of Chamber Music, Ed. Cobbett, W.W., Oxford University Press, 1929 & 1963, London. ISBN 0-19-318304-8
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