String Octet in E-flat Major, Op. 20 for 4 Violins, 2 Violas, 2 Cellos written by Felix Bartholdy Mendelssohn. The format of this sheet music is Book and it’s published by Kalmus Classic Edition. String Octet in E-flat Major, Op. 20 is part of the following sheet music categories: Masterwork; Romantic.