Διονύσιος

Of Halicarnassus; lived under Caesar Hadrian. Sophist. He was called 'Musician', because of his expertise in music. He wrote 24 books of Treatises on Rhythm; a History of Music in 36 books, in which he mentions all manner of aulos-players, citharodes and poets; 22 books on Musical Education or the Musical Way of Life; Observations on Music in Plato's Republic (5 books).