[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:cest-si-bon":3},"title: C'est Si Bon\ncomposer: Henri Betti\nstyle: Medium Swing\nkey: Bb\nform: AABC, 40 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A\n# area: Bb major (A 1–9)\n1  | Cm7     # ii of the ii–V to Bb\n2  | F7      # V7 of Bb: natural tensions\n3  | BbMaj7  # tonic: the 4th is in the key\n3  | Eb7     # tritone substitute: resolves down a half step to Dm7\n4  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4  | G7      # V7\u002Fii in Bb: the b13 is in the key\n5  | 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  | Eb7     # tritone substitute: resolves down a half step to D7\n8  | D7      # extended dominant: V7 of G7b9\n8  | G7b9    # VI7 in Bb, not resolving: the b13 is in the key, the b9 from the symbol\n9  | Bb6     # tonic: the 4th is in the key\n# area: Gb major (A 10 – B 4)\n10 | Abm7    # ii of the ii–V to Gb\n10 | Db7     # V7 of Gb: natural tensions\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | GbMaj7  # tonic: the 4th is in the key\n1  | Ebm7    # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2  | Abm7    # ii of the ii–V to Gb\n2  | Db7     # V7 of Gb: natural tensions\n3  | GbMaj7  # tonic: the 4th is in the key\n4  | GbMaj7\n# area: Bb major (B 5 – C 16)\n5  | Gm7     # ii of C7: Dorian\n6  | C7      # V7\u002FV in Bb: natural tensions\n7  | Cm7     # ii of F7: Dorian\n8  | F7      # V7\u002FI in Bb: natural tensions\n8  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n8  | Dbm7    # a borrowed minor chord: Dorian, its own key\n\nsection: C\n1  | Cm7     # ii of the ii–V to Bb\n2  | F7      # V7 of Bb: natural tensions\n3  | BbMaj7  # tonic: the 4th is in the key\n3  | Eb7     # tritone substitute: resolves down a half step to Dm7\n4  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4  | G7      # V7\u002Fii in Bb: the b13 is in the key\n5  | Cm7     # ii of F7: Dorian\n6  | F7      # V7\u002FI in Bb: natural tensions\n7  | Dm7b5   # iiø7 of C minor: Locrian, the key's own notes (its ♭2 is a passing note)\n8  | G7b9    # V7\u002Fii in Bb: the b13 is in the key, the b9 from the symbol\n9  | Cm7     # ii: Dorian, the key’s own notes\n10 | Ebm6    # a minor sixth chord: Dorian\n11 | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n12 | G7      # V7\u002Fii in Bb: the b13 is in the key\n13 | Cm7     # ii of the ii–V to Bb\n14 | F7      # V7 of Bb: natural tensions\n15 | Bb6     # tonic: the 4th is in the key\n16 | Cm7     # ii of F7: Dorian\n16 | F7      # V7\u002FI in Bb: natural tensions\n",1793575884759]