Cleonides in Wikipedia

CLEONIDES The Greek musical treatise attributed to Euclid, is in some MSS. attributed to Cleonides. [Eucleides] His age and history are wholly unknown [1] According to Thomas J. Mathiesen[2] the clearest account of the technical aspects of Aristoxenos musical theory are to be found in a manuscript Harmonica Introductio often attributed to Cleonides.

Read More about Cleonides in Wikipedia