Tunings
Music and dance is a cultural phenomenon since it’s created by people and not found in nature
The movement of the voice when speaking is continuous, because it doesn’t stop at any point in time
When it sings or creates music, you see movement of the voice stopping and jumping at particular tonal level
Grammarians study the first line while musicians study the bottom
In the diagram, when you go up you increase a semitone. When you move left ot right, it creates a time difference. Pitch Y axis and duration is on the X axis
Perfect fouth was called a tetrachord because it had 4 and 5 semitones
Scales were built off of tetrachords connected but had rules
The ancient Greek tetrachord had three Genera or Genus
The different shades affect the tuning of the tuning
Scales where created by tetrachord by
Combining two and creating a conjunction
Disjunction inserting a tone two join the tetrachords
You can join conjunction and disjunction to create much larger scales
Perfect immutable system contains 5 tetrachords
A Genus is a color and a shade is a shade of a color
Modes come from the movement of the different immutable systems in semitones
They would put letters of the degree within the written system
With melodies, the key, genus, and shades would change
<aside> 💡 Ancient had a lot of ways to tune, all of which was based on the Tetrachord. Different ways of tuning the middle two notes of a tetrachord would create the three Genus: Chromatic, Enharmonic, and Diatonic. All the Genus had different Shade which shifted the mood of the piece. The Conjunction and Disjunction of Tetrachords came together to create the immutable scale system. Modulations of the scale system is what creates the different modes.
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Melody