Friends of Chamber Music at Allhelgonakyrkan

The Swedish-Norwegian string ensemble Opus 13 plays string quartets of Haydn, C-Major Op. 74:1, Bartók, nr 2 Op. 17, and Beethoven, C-Major Op. 59:3. Opus 13 has been described by the music magazine Opus as "one of Europe's most promising string ensembles".