[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:c-t-a":3},"title: C.T.A.\ncomposer: Jimmy Heath\nstyle: Up Tempo Swing\nkey: Bb\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A1\n1  | Bb7   # I7 in Bb, not resolving: natural tensions\n1  | Ab7   # ♭VII7 from the parallel minor: Lydian Dominant\n2  | Gb7   # tritone substitute: resolves down a half step to F7\n2  | F7    # extended dominant: V7 of Bb7\n3  | Bb7   # I7 in Bb, not resolving: natural tensions\n3  | Ab7   # ♭VII7 from the parallel minor: Lydian Dominant\n4  | Gb7   # tritone substitute: resolves down a half step to F7\n4  | F7    # V7 of Bb: natural tensions\n5  | Bb6   # tonic: the 4th is in the key\n5  | G7    # V7\u002Fii in Bb: the b13 is in the key\n6  | Cm7   # ii of F7: Dorian\n6  | F7    # V7\u002FI in Bb: natural tensions\n7  | Dm7   # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n7  | G7    # V7\u002Fii in Bb: the b13 is in the key\n8  | Cm7   # ii of the ii–V to Bb\n8  | F7    # V7 of Bb: natural tensions\n9  | Bb6   # tonic: the 4th is in the key\n9  | F7    # V7 of Bb: natural tensions\n10 | Bb6   # tonic: the 4th is in the key\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | D7#9  # extended dominant: each one falls a fifth into the next: b9, #9 and #11 from the symbol\n2  | D7#9\n3  | G7    # extended dominant: each one falls a fifth into the next: natural tensions\n4  | G7\n5  | C7#9  # V7 of V7: the dominant of the dominant: b9, #9 and #11 from the symbol\n6  | C7#9\n7  | F7    # extended dominant: V7 of Bb7\n8  | F7\n\nsection: A2\n1  | Bb7   # I7 in Bb, not resolving: natural tensions\n1  | Ab7   # ♭VII7 from the parallel minor: Lydian Dominant\n2  | Gb7   # tritone substitute: resolves down a half step to F7\n2  | F7    # extended dominant: V7 of Bb7\n3  | Bb7   # I7 in Bb, not resolving: natural tensions\n3  | Ab7   # ♭VII7 from the parallel minor: Lydian Dominant\n4  | Gb7   # tritone substitute: resolves down a half step to F7\n4  | F7    # V7 of Bb: natural tensions\n5  | Bb6   # tonic: the 4th is in the key\n5  | G7    # V7\u002Fii in Bb: the b13 is in the key\n6  | Cm7   # ii of the ii–V to Bb\n6  | F7    # V7 of Bb: natural tensions\n7  | Bb6   # tonic: the 4th is in the key\n7  | F7    # V7 of Bb: natural tensions\n8  | Bb6   # tonic: the 4th is in the key\n",1793575884336]