[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:celia":3},"title: Celia\ncomposer: Bud Powell\nstyle: Up Tempo Swing\nkey: Bb\nform: AABAC, 40 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: Intro1\n1  | BbMaj7  # tonic: the 4th is in the key\n2  | B7      # tritone substitute: resolves down a half step to BbMaj7\n3  | BbMaj7  # tonic: the 4th is in the key\n4  | B7      # tritone substitute: resolves down a half step to BbMaj7\n\nsection: Intro2\ncopy: Intro1\n\nsection: A1\n1  | BbMaj7  # tonic: the 4th is in the key\n2  | Cm7b5   # iiø7, borrowed from Bb minor: Locrian\n3  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4  | Ebm7    # ii of Ab7: Dorian\n4  | Ab7     # extended ii–V: a side-step, its own key\n5  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n5  | Dbm7    # a borrowed minor chord: Dorian, its own key\n6  | Cm7     # ii: Dorian, the key’s own notes\n6  | B7      # tritone substitute: resolves down a half step to BbMaj7\n7  | BbMaj7  # tonic: the 4th is in the key\n8  | Cm7b5   # iiø7 of Bb: Locrian, the key's own notes (its ♭2 is a passing note)\n8  | F7      # V7 of Bb: natural tensions\n9  | BbMaj7  # tonic: the 4th is in the key\n10 | BbMaj7\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | Am7b5   # iiø7 of G minor: Locrian, the key's own notes (its ♭2 is a passing note)\n2  | D7b9    # V7\u002Fvi in Bb: b9 and b13 are in the key\n3  | Gm7     # ii of C7: Dorian\n4  | Gm7\n5  | C7      # V7\u002FV in Bb: natural tensions\n6  | C7\n7  | Cm7b5   # iiø7 of Bb: Locrian, the key's own notes (its ♭2 is a passing note)\n8  | F7b5    # V7 of Bb: the #11 from the symbol\n\nsection: A2\n1  | BbMaj7  # tonic: the 4th is in the key\n2  | Cm7b5   # iiø7, borrowed from Bb minor: Locrian\n3  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4  | Ebm7    # ii of Ab7: Dorian\n4  | Ab7     # extended ii–V: a side-step, its own key\n5  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n5  | Dbm7    # a borrowed minor chord: Dorian, its own key\n6  | Cm7     # ii: Dorian, the key’s own notes\n6  | B7      # tritone substitute: resolves down a half step to BbMaj7\n7  | BbMaj7  # tonic: the 4th is in the key\n8  | BbMaj7\n\nsection: C\n1  | Eb6     # IV: the #4 is the key’s 7th\n2  | Ebm7    # ii of Ab7: Dorian\n2  | Ab7     # extended ii–V: a side-step, its own key\n3  | 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: Dorian, the key’s own notes\n6  | B7      # tritone substitute: resolves down a half step to BbMaj7\n7  | BbMaj7  # tonic: the 4th is in the key\n8  | Cm7     # ii of the ii–V to Bb\n8  | F7      # V7 of Bb: natural tensions\n",1793575884706]