TetraNa progression

TetraNa progression — root and its three inversions

Harmony is when opposites meet and circles close in unity — while remaining open-ended. The TetraNa progression exemplifies this quite visibly in its relative simplicity.

TetraNa, as tetratonality, spans only four notes, the fundamental and initial three overtones of the harmonic series. This progression rounds off the Tonalibus catalogue of tonalities, after growing to a considerable number of entries. It unifies the overtone foundation with pattern progression, full and partial, progressive and regressive, as well as anchored and to some extent also not anchored.

Harmony in its widest sense includes and remains open to everything and all. This progression stands for how the Tonalibus catalogue is to remain open-ended after reaching some level of completeness of something that in its entirety will always escape complete human grasp, will always be greater and go further — harmony, here in its expression as myriad of anchored tonalities.

Progression visuals

Tonalibus 2f-8 penta - 2021-12 - 70x
Tonalibus 2f-8 penta - 2021-12 - 71x
Tonalibus 2f-8 penta - 2021-12 - 72x
Tonalibus 2f-8 penta - 2021-12 - 73x
Tonalibus 2f-8 penta - 2021-12 - 74x
Tonalibus 2f-8 penta - 2021-12 - 75x
Tonalibus 2f-8 penta - 2021-12 - 76x
Tonalibus 2f-8 penta - 2021-12 - 77x
Tonalibus 2f-8 penta - 2021-12 - 78x
Tonalibus 2f-8 penta - 2021-12 - 79x
Tonalibus 2f-8 penta - 2021-12 - 80x
Tonalibus 2f-8 penta - 2021-12 - 81x
Tonalibus 2f-8 penta - 2021-12 - 82x
Tonalibus 2f-8 penta - 2021-12 - 83x
Tonalibus 2f-8 penta - 2021-12 - 84x
Tonalibus 2f-8 penta - 2021-12 - 85x
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Tonalibus 2f-8 penta - 2021-12 - 70x
Tonalibus 2f-8 penta - 2021-12 - 71x
Tonalibus 2f-8 penta - 2021-12 - 72x
Tonalibus 2f-8 penta - 2021-12 - 73x
Tonalibus 2f-8 penta - 2021-12 - 74x
Tonalibus 2f-8 penta - 2021-12 - 75x
Tonalibus 2f-8 penta - 2021-12 - 76x
Tonalibus 2f-8 penta - 2021-12 - 77x
Tonalibus 2f-8 penta - 2021-12 - 78x
Tonalibus 2f-8 penta - 2021-12 - 79x
Tonalibus 2f-8 penta - 2021-12 - 80x
Tonalibus 2f-8 penta - 2021-12 - 81x
Tonalibus 2f-8 penta - 2021-12 - 82x
Tonalibus 2f-8 penta - 2021-12 - 83x
Tonalibus 2f-8 penta - 2021-12 - 84x
Tonalibus 2f-8 penta - 2021-12 - 85x
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Progression / inversion sound samples

1) TetraNa inversion Norcor — sound sample progression to Dorian via PentaMinLa / Pentabal and back — 8:25 — as loop on a separate tab
1a) TetraNa inversion Norcor — sound sample — 2:37 — as loop on a separate tab
2) TetraNa inversion Locor — sound sample progression to ReachUp and back — 8:26 — as loop on a separate tab
3) TetraNa inversion Upcor — sound sample progression to ReachUpMix and back — 6:25 — as loop on a separate tab

Inversions are not tonalities as such but underlying roots of tonalities. Therefore they facilitate progressions and modulations.

High mountains on fire

TetraNa progression
Every day so many new surprises and miracles — December 2021 — view of the Alps from Grächwil, Switzerland
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