… 10.1093/gmo/9781561592630.article.19943 . ISBN 978-1561592630 . (subscription, Wikilibrary access, or UK public library membership required) ^ "Who knew? Friedrich Nietzsche was also a pretty decent classical composer" . Classic FM . ^ Kohler, Joachim (1998). Nietzsche & Wagner:…

…e.22125 . ISBN 978-1-56159-263-0 . Retrieved 25 September 2021 . (subscription, Wikilibrary access, or UK public library membership required) ^ "Τοξόλυρος – Εἰς τὰ ἁρμονικὰ Πτολεμαίου ὑπόμνημα – φιλοσοφικό Ακαδημίας" [In Ptolemy's Harmonized Memoirs – Philosophical Academy] (in G…