Elementa harmonica

Elements of Harmonics
AuthorAristoxenus
Original titleἉρμονικὰ στοιχεῖα
TranslatorHenry Stewart Macran
LanguageGreek
SubjectMusic theory
GenreTreatise
Published4th century BC
Published in English
1902

Elementa harmonica (Ἁρμονικὰ στοιχεῖα in Greek; Elements of Harmonics in English) is a treatise on the subject of musical scales by Aristoxenus, of which considerable amounts are extant. The work dates to the second half of the 4th century BC. It is the oldest substantially surviving work written on the subject of music theory.