Concerning music (37-40)

The ancients now made principal account of the moral impression, and therefore preferred that fashion of the antique music which was grave and least affected. Therefore the Argives are said to have punished deviation from the ancient music, and to have imposed a fine upon such as first adventured to play with more than seven strings, and to introduce the Mixolydian mood.[*] Pythagoras, that grave philosopher, rejected the judging of music by the senses, affirming that the virtue of music could be appreciated only by the intellect. And therefore he did not judge of music by the ear, but by the harmonical proportion, and thought it sufficient to fix the knowledge of music within the compass of the diapason.

But our musicians nowadays have so utterly exploded the most noble of all the moods, which the ancients greatly admired for its majesty, that hardly any among them make the least account of enharmonic distances. And so negligent and lazy are they grown, as to believe the enharmonic

But these opinions are not only contrary to appearance, but repugnant one to another. For they themselves chiefly make use of those divisions of tetrachords in which most of the intervals are either unequal or irrational. To which purpose they always soften both lichanos and paranete, and lower even some of the standing sounds by an irrational interval, bringing the trite and paranete to approach them. And especially they applaud the use of those systems in which most of the intervals are irrational, by relaxing not only those tones which are by nature movable, but also some which are properly fixed; as it is plain to those that rightly understand these things.

Now for the advantages that accrue to men from the use of music, the famous Homer has taught it us, introducing

Amused at ease, the god-like man they found,

Pleased with the solemn harp’s harmonious sound.

The well-wrought harp from conquered Thebe came;

Of polished silver was its costly frame.

With this he soothes his angry soul, and sings

The immortal deeds of heroes and of kings.

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