[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:blue-lou":3},"title: Blue Lou\ncomposer: Irving Mills\nstyle: Medium Swing\nkey: Bb\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A1\n# area: Bb major (A1 1 – B 2)\n1  | Cm7b5   # iiø7 of F7: Locrian, the key's own notes (its ♭2 is a passing note)\n2  | F7      # extended ii–V: a side-step, its own key: b9 and b13 are in the key\n3  | Cm7b5   # iiø7 of Bb: Locrian, the key's own notes (its ♭2 is a passing note)\n4  | F7      # V7 of Bb: natural tensions\n5  | BbMaj7  # tonic: the 4th is in the key\n6  | EbMaj7  # IV: the #4 is the key’s 7th\n7  | Cm7     # ii of F7: Dorian\n8  | F7      # V7\u002FI in Bb: natural tensions\n9  | C7      # V7 of V7: the dominant of the dominant: natural tensions\n9  | F7      # V7 of Bb: natural tensions\n10 | BbMaj7  # tonic: the 4th is in the key\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | FMaj7   # a non-tonic major chord: Lydian\n2  | F#dim7  # vii°7 of Gm7: D7♭9 without its root\n# area: F major (B 3 – A2 2)\n3  | Gm7     # ii of the ii–V to F\n4  | C7      # V7 of F: natural tensions\n5  | FMaj7   # tonic: the 4th is in the key\n6  | F#dim7  # vii°7 of Gm7: D7♭9 without its root\n7  | Gm7     # ii of C7: Dorian\n7  | C7      # V7\u002FI in F: natural tensions\n8  | Cm7     # ii of F7: Dorian\n8  | F7      # V7\u002FIV in F: natural tensions\n\nsection: A2\n1  | Cm7b5   # iiø7 of F7: Locrian, the key's own notes (its ♭2 is a passing note)\n2  | F7      # extended ii–V: a side-step, its own key: b9 and b13 are in the key\n# area: Bb major (A2 3–8)\n3  | Cm7b5   # iiø7 of Bb: Locrian, the key's own notes (its ♭2 is a passing note)\n4  | F7      # V7 of Bb: natural tensions\n5  | BbMaj7  # tonic: the 4th is in the key\n6  | EbMaj7  # IV: the #4 is the key’s 7th\n7  | C7      # V7 of V7: the dominant of the dominant: natural tensions\n7  | F7      # V7 of Bb: natural tensions\n8  | BbMaj7  # tonic: the 4th is in the key\n",1793575883172]