.
|----------+--------------------------------------------------+---------|
| interval |  R   m2  M2  m3  M3  P4  A4  P5  m6  M6  m7  M7  | P8      |
|----------+--------------------------------------------------+---------|
|semitones:|  0  [1]  2  [3]  4  [5]  6  [7]  8  [9]  10  11  | 12
|----------+--------------------------------------------------+---
|  0       |  A   A#  B   C   C#  D   D#  E   F   F#  G   G#  | A4=440 hz
|  1       |  A#  B   C   C#  D   D#  E   F   F#  G   G#  A   | A# ~ Bb
|  2       |  B   C   C#  D   D#  E   F   F#  G   G#  A   A#  | 493.Hz B Major (5#)
|  3       |  C   C#  D   D#  E   F   F#  G   G#  A   A#  B   | 261. 
|  4       |  C#  D   D#  E   F   F#  G   G#  A   A#  B   C   |
|  5       |  D   D#  E   F   F#  G   G#  A   A#  B   C   C#  |
|  6       |  D#  E   F   F#  G   G#  A   A#  B   C   C#  D   |
|  7       |  E   F   F#  G   G#  A   A#  B   C   C#  D   D#  |
|  8       |  F   F#  G   G#  A   A#  B   C   C#  D   D#  E   |
|  9       |  F#  G   G#  A   A#  B   C   C#  D   D#  E   F   |
|  10      |  G   G#  A   A#  B   C   C#  D   D#  E   F   F#  |
|  11      |  G#  A   A#  B   C   C#  D   D#  E   F   F#  G   |
|----------+--------------------------------------------------+---
|semitones:|  0  [1]  2  [3]  4  [5]  6  [7]  8  [9]  10  11  | 12         
|pitch:    |  1.      2.      3.  4.      5.      6.       7. | 8.
|ratio     | 1:1     9:8     5:4  4:3    3:2     5:3    15:8  | 2:1 
| interval |  R   m2  M2  m3  M3  P4  A4  P5  m6  M6  m7  M7  | P8      |
|          |  1           b3      4       5           b7      | O
|----------+--------------------------------------------------+---
| 2 Dyads/ |  R   .   .   m3  M3  .   .   .   .   .   .   .   |
| 3 Triad  |  R   .   .   m3  M3  .   .   P5  .   .   .   .   |
| 4 .... . |  R   .   .   .   M3  .   .   P5  .   .   .   M7  |
|----------+--------------------------------------------------+---
| 7 Major S|  R   .   M2  .   M3  P4  .   P5  .   M6  .   M7  | P8 : W W H W W W H
|Minor Squ |  R   .   M2  m3  .   P4  .   P5  m6  .  m7   .   | P8 : W H W W H W W
| steps    |  .   .   .   .   .   .   .   .   .   .   .   .   | 
|----------+--------------------------------------------------+---
| 5 Penta  |  1.  .   2.(+*2) 3.(+*4) .   5.(+*1) 6.(+*3) .   | +5th*4
|P.major   |  R   .   M2  .   M3  .   .   P5  .   M6  .   .   | P8 :
|P.minor   |  R   .   .   m3  .   P4  .   P5  .   .   m7  .   | P8 : 1 b3 4 5 b7
| steps    |  .   .   .   .   .   .   .   .   .   .   .   .   |
|----------+--------------------------------------------------+---
|Penta A   |  A   .   B   .   C#  .   .   E   .   F#  .   .   |
|Penta Bb  |  A#  .   C   .   D.  .   .   F   .   G   .   .   | Bb major pentatonic : W  W  WH  W  WH
|Penta B   |  B   .   C#  .   D#  .   .   F#  .   G#  .   .   |
|Penta C   |  C   .   D   .   E   .   .   G   .   A   .   .   |  1:C, 2:D, 3:E, 5:G, 6:A
|Penta D   |  D   .   E   .   F#  .   .   A   .   B   .   .   |
|Penta E   |  E   .   F#  .   G#  .   .   B   .   C#  .   .   |
|Penta F   |  F   .   G   .   A   .   .   C   .   D   .   .   |
|Penta G   |  G   .   A   .   B   .   .   D   .   E   .   .   |
|----------+--------------------------------------------------+---
| 6 TODO   |
| 7 Harm/M |  .   .   .   .   .   .   .   .   .   .   .   .   | 	1 	b3 	4 	b6 	b7
| 7 Melod  | 
| 8 BluesM |  R   .   .   .   M3  P4  A4  P5  .   M6  m7  .   | P8 : 0+4+1+1+1+2+1+2 = 12
| 8 B min  |  R   .   .   m3  .   P4  A4  P5  m6  .   m7  .   | P8
|----------+--------------------------------------------------+---
| steps    |  .   .   .   .   .   .   .   .   .   .   .   .   |
                                                                               .

• https://en.wikipedia.org/wiki/Pentatonic_scale# 1:C, 2:D, 3:E, 5:G, 6:A
• https://en.wikipedia.org/wiki/A_major#: A, B, C♯, D, E, F♯, and G♯
• https://en.wikipedia.org/wiki/B_major#: B, C♯, D♯, E, F♯, G♯, and A♯
• https://en.wikipedia.org/wiki/C_major#: C, D, E, F, G, A, and B.
• https://en.wikipedia.org/wiki/D_major#: D, E, F♯, G, A, B, and C♯
• https://en.wikipedia.org/wiki/E_major#: E, F♯, G♯, A, B, C♯, and D♯.
• https://en.wikipedia.org/wiki/F_major#: F, G, A, B♭, C, D, and E.
• https://en.wikipedia.org/wiki/G_major#: G, A, B, C, D, E, and F♯. I
• https://en.wikipedia.org/wiki/Circle_of_fifths

0. +1. +2. +3. +4. +5. +6. +7. +8. +9. +10 +11 +12 : Semitones (~Frets)
1  9/8 A/9 6/5 5/4 4/3     3/2 8/5 5/3         2/1 : ratios ?

C.  C#  D.  D#  E.  F.  F#  G.  G#  A.  A#  B.  C. 

                   
R   m2  M2  m3  M3  P4  s   P5  m6  M6  m7  M7  P8



C.  .   D.  .   E.  F.  .   G.  .   A.  .   B   C  : C. Major = A. minor
C.  .   D.  D#  .   F.  .   G.  G#  .   A#  .   C  : C. minor = D# Major

A.  .   B.  .   C#  D   .   E   .   F#  .   G#  A. : A. Major (3#)
A.  .   B.  C.  .   D   .   E   F.  .   G.  .   A. : A. min = A. Major

B.  .   C♯  .   D♯  E       F♯  .   G♯  .   A♯  B  : B Major (5#)
C.  .   D   .   E   F   .   G   .   A   .   B.
D.  .   E   .   F♯  G   .   A   .   B   .   C♯  .  : D. Major (2#)

D#  .   F   .   G.  G#  .   A#  .   C   .   D.  D# : D# Major = C Minor

E   .   F#  .   G#  A   .   B.  .   C#  .   D#  E  : E. Major (4#)
E   .   F#  G   .   A   .   B.  C.  .   D.  .   E  : E. Min

F.  .   G, A, B♭, C, D, and E.

F#   : F# Major = Gb Major (6#)

G   .   A   .   B   C   .   D   .   E.  .   F#  G. : G. Major (1#)
G   .   A   A#  .   C   .   D   D#  .   F.  .   G. : G. minor

* https://en.wikipedia.org/wiki/Pentatonic_scale# 1:C, 2:D, 3:E, 5:G, 6:A

cool-rb-cool-easy-circle-of-5ths.webp

• https://i.pinimg.com/originals/92/ff/5a/92ff5a2ae8aed39df090aba8ad3c2442.png ToPrint

• https://github.com/aguaviva/articles/blob/main/why_12_notes.ipynb
  • https://news.ycombinator.com/item?id=32639000
• https://theoryandsound.com/modes-of-the-major-scale/# ModeS

• https://midwoodguitarstudio.com/blog/the-pentatonic-modes/
• https://www.all-piano-scales.com/pentatonic-modes/mode-iii-man-gong/d-man-gong/
• https://en.wikipedia.org/wiki/Pentatonic_scale
• https://en.wikipedia.org/wiki/Chinese_musicology#Scale_and_tonality

• Mode I (Major Pentatonic)
• Mode II (Suspended Pentatonic)
• Mode III (Man Gong) aka Blues Minor Scale ?
• Mode IV (Ritusen)
• Mode V (Minor Pentatonic)

• https://www.jazz-guitar-licks.com/pages/guitar-scales-modes/pentatonic-scales/the-man-gong-scale-for-guitar-charts-and-shapes.html

• https://www.bigbasstabs.com/bass_lessons_bass_tabs/exercise_for_learning_modes_of_the_pentatonic_scale.html D man gong

• https://chimes.com/products/encore-chimes-of-earth-evergreen#
  • D F G Bb C D = 0 3 5 8 10 12s is Bb major pentatonic phrygian
  • https://pianolit.com/tools/chord-finder# Dm7^add4^b6 # ~ Gm7^11

• https://www.all-piano-scales.com/pentatonic-modes/mode-iii-man-gong/d-man-gong/
• https://www.scales-chords.com/scaleinfo.php?skey=A%23%5CBb&sname=major%20pentatonic : Bb C D F G : R M2 P4 P5 M6
• https://scalescheatsheet.com/scales/major/Bb#pentatonic
• https://www.scales-chords.com/scaleinfo.php?skey=G&sname=minor pentatonic# Musical Scale Info: G minor pentatonic : G Bb C D F ; 1 b3 4 5 b7
• https://www.therandomscalemachine.com/
• https://www.scales-chords.com/scaleinfo.php?skey=D&sname=natural+minor&normal=1&greek=1&greekalt=1&other=1&etnic=1
• https://en.wikipedia.org/wiki/Chinese_musicology#Scale_and_tonality
• https://pianolit.com/tools/chord-finder# Gm7^11
• https://www.chimes.com/products/wind-fantasy-chime-tree-of-life# ScalE HarmonY
• https://roelsworld.eu/blog-music/music-geometry-intervals-scales/#

R   m2  M2  m3  M3  P4  s   P5  m6  M6  m7  M7  P8
A#  B.  C.  C#  D.  D#  E.  F.  F#  G.  G#  A.  A#  : A# ~ Bb
A# .    C   .   D.  .  .    F   .   G    .   .  | Bb major pentatonic : W  W  WH  W  WH
D.  .   .   F.  .   G.  .   .   Bb  .   C.  .   D.  : ?                   : WH W  WH  W  W

@RelateD: SolfegE LearN BasS