[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:chicago":3},"title: Chicago\ncomposer: Fred Fisher\nstyle: Medium Swing\nkey: C\nform: ABAC, 32 bars\n# analysis: 2026-10-31, rules v2; C\n\nsection: A1\n# area: C major (A1 1 – A2 7)\n1 | CMaj7    # tonic: the 4th is in the key\n1 | Dm7      # ii: Dorian, the key’s own notes\n2 | Em7      # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n2 | A7       # V7\u002Fii in C: the b13 is in the key\n3 | Dm7      # ii of G7: Dorian\n3 | G7       # V7\u002FI in C: natural tensions\n4 | Dm7      # ii: Dorian, the key’s own notes\n4 | A7#5     # V7\u002Fii in C: the b13 is in the key, the #11 from the symbol\n5 | Dm7      # ii of the ii–V to C\n6 | G7       # V7 of C: natural tensions\n7 | CMaj7\u002FE  # 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\nsection: B\n1 | CMaj7    # tonic: the 4th is in the key\n1 | Dm7      # ii: Dorian, the key’s own notes\n2 | Em7      # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n2 | A7       # extended dominant: V7 of D7\n3 | D7       # II7 in C, not resolving: natural tensions\n4 | A7b9     # V7\u002Fii in C: the b13 is in the key, the b9 from the symbol\n5 | Dm7      # ii of G7: Dorian\n5 | G7       # V7\u002FI in C: natural tensions\n6 | Dm7      # ii of G7: Dorian\n6 | G7       # V7\u002FI in C: natural tensions\n7 | Bb7      # tritone substitute: resolves down a half step to A7\n7 | A7       # tritone substitute: resolves down a half step to Ab7\n8 | Ab7      # tritone substitute: resolves down a half step to G7\n8 | G7       # V7 of C: natural tensions\n\nsection: A2\n1 | CMaj7    # tonic: the 4th is in the key\n1 | Dm7      # ii: Dorian, the key’s own notes\n2 | Em7      # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n2 | A7       # V7\u002Fii in C: the b13 is in the key\n3 | Dm7      # ii of G7: Dorian\n3 | G7       # V7\u002FI in C: natural tensions\n4 | Dm7      # ii: Dorian, the key’s own notes\n4 | A7#5     # V7 of the Dm7 before it: the b13 is in the key, the #11 from the symbol\n5 | Bm7b5    # iiø7 of A minor: Locrian, the key's own notes (its ♭2 is a passing note)\n6 | E7b9     # V7\u002Fvi in C: b9 and b13 are in the key\n7 | Am7      # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n# area: G minor (A2 7 – C 4)\n7 | Ab7      # tritone substitute: resolves down a half step to Gm7\n8 | Gm7      # tonic minor: Dorian by convention\n8 | Gb7      # tritone substitute: resolves down a half step to FMaj7\n\nsection: C\n1 | FMaj7    # ♭VII of G minor: F major, the notes of G Dorian\n2 | Bb9      # bIII7 in G minor, not resolving: natural tensions\n3 | Em7      # ii of the ii–V to D minor\n4 | A7       # V7\u002Fv in G minor: b9 and b13 are in the key\n# area: C major (C 5–8)\n5 | 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 | A7       # V7\u002Fii in C: the b13 is in the key\n8 | Dm7      # ii of the ii–V to C\n8 | G7       # V7 of C: natural tensions\n",1793575885058]