Aristoxenus of Tarentum (Aristox`enus of Tarentum) , a Greek philosopher, author of the “Elements of Harmony,” the only one of his many works extant, and one of the oldest writers on music; contemporary of Aristotle.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Ar`istotle * A`rius