1447a.20some having a knowledge of art and some working empirically—and just as others use the human voice; so is it also in the arts which we have mentioned, they all make their representations in rhythm and language and tune, using these means either separately or in combination.
For tune and rhythm alone are employed in flute-playing and harp-playing and in any other arts which have a similar function, as, for example, pipe-playing.
Rhythm alone without tune is employed by dancers in their representations, for by means of rhythmical gestures they represent both character and experiences and actions. [Note]
But the art which employs words either in bare prose or in metres,