[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:the-birth-of-the-blues":3},"title: The Birth Of The Blues\ncomposer: Ray Henderson\nstyle: Slow Swing\nkey: C\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; C\n\nsection: A1\n1  | CMaj7   # tonic: the 4th is in the key\n1  | C#dim7  # vii°7 of Dm7: A7♭9 without its root\n2  | Dm7     # ii of the ii–V to C\n2  | G7      # V7 of C: natural tensions\n3  | CMaj7   # tonic: the 4th is in the key\n3  | E7      # III7 in C, not resolving: b9 and b13 are in the key\n4  | FMaj7   # IV: the #4 is the key’s 7th\n4  | F#dim7  # passing diminished: D7♭9 without its D, the G7's dominant; not functioning diatonically: the symmetric scale\n5  | G7      # V7 in C, not resolving: natural tensions\n6  | Dm7     # ii of the ii–V to C\n6  | G7      # V7 of C: natural tensions\n7  | C6      # tonic: the 4th is in the key\n7  | Ebdim7  # passing diminished: a rootless dominant ♭9\n8  | Dm7     # ii: Dorian, the key’s own notes\n8  | Db7     # tritone substitute: resolves down a half step to C6\n9  | C6      # tonic: the 4th is in the key\n9  | F7      # IV7 in C, not resolving: the #11 is in the key\n10 | C6      # tonic: the 4th is in the key\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | E7      # extended dominant: V7 of A7\n2  | E7\n3  | E7\n4  | E7\n5  | A7      # extended dominant: V7 of D7\n6  | A7\n7  | D7      # II7 in C, not resolving: natural tensions\n8  | Dm7     # ii: Dorian, the key’s own notes\n8  | Db7     # tritone substitute: resolves down a half step to CMaj7\n\nsection: A2\n1  | CMaj7   # tonic: the 4th is in the key\n1  | C#dim7  # vii°7 of Dm7: A7♭9 without its root\n2  | Dm7     # ii of the ii–V to C\n2  | G7      # V7 of C: natural tensions\n3  | CMaj7   # tonic: the 4th is in the key\n3  | E7      # III7 in C, not resolving: b9 and b13 are in the key\n4  | FMaj7   # IV: the #4 is the key’s 7th\n4  | F#dim7  # passing diminished: D7♭9 without its D, the G7's dominant; not functioning diatonically: the symmetric scale\n5  | G7      # V7 in C, not resolving: natural tensions\n6  | Dm7     # ii of the ii–V to C\n6  | G7      # V7 of C: natural tensions\n7  | C6      # tonic: the 4th is in the key\n7  | Ebdim7  # passing diminished: D7♭9 without its D, the G7's dominant (Dm7 its ii)\n8  | Dm7     # ii of the ii–V to C\n8  | G7      # V7 of C: natural tensions\n",1793575902465]