Octets in classical music. Octets in classical music are one of the largest groupings of chamber music.Although eight-part scoring was fairly common for serenades and divertimenti in the 18th century, the word "octet" only first appeared at the beginning of the 19th century, as the title of a composition by Prince Louis Ferdinand of Prussia, whose Octet Op. 12 (published posthumously in 1808 ...
