Mezzo-soprano Sigridur Osk attended the Royal College of Music Opera School as a postgraduate student and graduated with an Artist Diploma and a Masters degree with merit. Her singing teacher was Russell Smythe. Previously, she had achieved a grade 8 in singing, studying with Rut Magnusson, and a piano teaching diploma from the Reykjavík College of Music. Her current teacher is Sigridur Ella Magnusdottir.
Sigridur appears frequently in operas, oratorios and as a recitalist in Iceland and abroad. She recently sang the role of Waltraute in Wagner´s Ride of the Valkyries with Lidal North at the Norwegian Opera House. She sang in the English National Opera‘s staging of Jakob Lenz by Wolfgang Rihm and at Glyndebourne, she performed the role of Fifth Nun in the first performance of Love and Other Demons by Peter Oötvös, conducted by Vladimir Yorvosky, as well as the Sandman in Humperdinck‘s Hansel and Gretel. She appeared in Insanity with the progressive Kiez Oper company in Berlin and has frequently appeared in London with The Classical Opera Company, including the role of Arbate in Mitridate which earned her high praise in a review in The Times newspaper. She performed Haydn‘s cantata Arianna a Naxos for them with the fortepianist Gary Cooper in Kings Place, London and sang on their behalf in In Tune in a live broadcast on BBC Radio 3.
With English Touring Opera she sang the role of Arkane in the opera Teseo by Handel. Sigridur has appeared in many of the best known concert venues in London, such as the Royal Albert Hall and St. Martin-in-the-Fields. In the Cadogan Hall she sang a concert with Dame Emma Kirkby which was broadcast on Classic FM. Sigridur sang in a recording of Engel Lund´s Book of Folk Songs with the Lieder Theater London, published by Nimbus Records. Sigríður´s singing can be heard in the dance work Plateau Effect, performed by The Cullberg Ballet, one of Sweden´s best known dance groups.
For The Icelandic Opera, Sigridur has sung the role of Third Lady in Mozart‘s Magic Flute. In Iceland´s modern music festival Dark Music Days, she sang the first performance of the Adriana Songs by Kaiu Saariaho and with the Electra Ensemble performed Chansons Madécasses by Ravel, which was chosen as one of the five best performances in 2011 by the Icelandic National Radio´s arts programme Vidsja.
With the Hallgrimskirkja Motet Choir she has sung in Bach´s St. John Passion and will appear with them again this summer in Handel´s oratorio Solomon as the Queen of Sheba and Second Lady. This autumn she will sing the role of Rosina in the Barber of Seville for the Icelandic Opera.