The String Octet in E-flat major, Op. 20, MWV R 20, was written by the 16-year-old Felix Mendelssohn during the fall of 1825 and completed on October 15.
Felix Mendelssohn wrote the String Octet in E-flat major, Op. 20, MWV R 20, at the age of sixteen in the fall of 1825, with completion occurring on October 15.