Dialogue on Ancient and Modern Music

On Music.

Musical notation on a four-line staff showing two diamond-shaped notes: G and C.
...than these.
Musical notation on a four-line staff showing two diamond-shaped notes: F and B-natural.
It will also be proven that these present notes
Musical notation on a four-line staff showing two diamond-shaped notes: F and B-flat.
are not separated by the same distance as these are,
Musical notation on a four-line staff showing two diamond-shaped notes: E-flat and B-flat.
nor these
Musical notation on a four-line staff showing two diamond-shaped notes: D and G.
are distant from one another by the same interval as these.
Musical notation on a four-line staff showing two diamond-shaped notes: C and F.
I say these are less distant,
Musical notation on a four-line staff showing two diamond-shaped notes: B and E.

Musical notation on a four-line staff showing two diamond-shaped notes: G and C.
These, I say, are two intervals similar to the one found between D-solre & F-faut: Specific pitches D and F, named using the traditional Guidonian hexachord system.; each of which is the same as the ancient Semiditono: A minor third (literally "half of two tones")., and necessarily dissonant.
Musical notation on a four-line staff showing two pairs of diamond-shaped notes: F-sharp/A and C/E-flat.
I say furthermore, that this is a larger interval,
Musical notation on a four-line staff showing two diamond-shaped notes: G and B.
than this one is.
Musical notation on a four-line staff showing two diamond-shaped notes: F and A.
I say the present one is dissonant,
Musical notation on a four-line staff showing two diamond-shaped notes: F and B-natural.
and larger than this.
Musical notation on a four-line staff showing two diamond-shaped notes: F and B-flat.

This, I say, is not separated by a Diapente: A perfect fifth (from the Greek "through five")..
Musical notation on a four-line staff showing two diamond-shaped notes: F and C.
The two second notes of the example that follows are not distant by a Tritono: A tritone, or augmented fourth, consisting of three whole tones.; considered, however, in the manner mentioned above; that is, as a fourth in the lower part, and as a minor Semituono: A semitone or half-step. in the higher part:
Musical notation on a four-line staff showing four diamond-shaped notes: C, F-sharp, B-flat, and E-natural.
nor are these distant by a Semidiapente: A diminished fifth (literally "half a fifth")., considered as two minor thirds.
Musical notation on a four-line staff showing four diamond-shaped notes: D, F, G, and B-flat.
The two second notes, I say, are not distant from one another by a Fifth; provided, however, that they are considered as a diminished fifth in the high part and as a minor semitone in the low, as the example here at the bottom shows.
Musical notation on a four-line staff showing four diamond-shaped notes: B-natural, E, F-natural, and B-flat.
I say that there is not the same distance between these notes,
Musical notation on a four-line staff showing two diamond-shaped notes: G and D.

Musical notation on a four-line staff showing two diamond-shaped notes: G and C.
as between the present ones.
Musical notation on a four-line staff showing two diamond-shaped notes: F and C.
The two intervals of the example that follows, I say, are not major seste: Sixths..
Musical notation on a four-line staff showing two pairs of diamond-shaped notes: F/D and G/E.
It is also denied that the present notes are distant from one another by a minor Settima: Seventh..
Musical notation on a four-line staff showing two diamond-shaped notes: G and F.
nor are any of these distant by an Ottaua: Octave..
Musical notation on a four-line staff showing two diamond-shaped notes: G and G.
Equally distant.
Musical notation on a four-line staff showing two pairs of diamond-shaped notes with flat signs: G-flat/B-flat and C-flat/E-flat.
separated by the same distance from one another.
Musical notation on a four-line staff showing two pairs of diamond-shaped notes: F/A and B-flat/D.