[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:my-little-brown-book":3},"title: My Little Brown Book\ncomposer: Billy Strayhorn\nstyle: Slow Swing\nkey: Bb\nform: AABC, 34 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A\n# area: Bb major (A 1–9)\n1  | Bb6       # tonic: the 4th is in the key\n1  | F7#5      # extended dominant: V7 of Bb7; #11 and b13 from the symbol\n2  | Bb7       # V7\u002FIV in Bb: natural tensions\n3  | EbMaj7    # the Bb7 before it makes Eb the key of the moment: the 4th is in the key\n4  | Ebm6      # a minor sixth chord: Dorian\n4  | Ab7       # back door bVII7 to Bb: the #11 is in the key\n5  | Bb        # tonic: the 4th is in the key\n5  | Bb+       # from the symbol: augmented\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  | Db7       # tritone substitute: resolves down a half step to Cm7\n8  | Cm7       # ii of F7#5: Dorian\n8  | F7#5      # V7\u002FI in Bb: #11 and b13 from the symbol\n9  | Dm7       # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n# area: Gb major (A 9–10)\n9  | Db7       # V7 of Gb: natural tensions\n10 | GbMaj7    # tonic: the 4th is in the key\n# area: Db major (A 10 – B 8)\n10 | Ab7       # V7 of Db: natural tensions\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | DbMaj7    # tonic: the 4th is in the key\n1  | Bb7b9     # V7\u002Fii in Db: the b13 is in the key, the b9 from the symbol\n2  | Ebm7      # ii of the ii–V to Db\n2  | Ab7b9     # V7 of Db: the b9 from the symbol\n3  | DbMaj7\u002FF  # tonic: the 4th is in the key\n3  | Edim7     # passing diminished: Eb7♭9 without its Eb, the Ab7#5's dominant (Ebm7 its ii)\n4  | Ebm7      # ii of the ii–V to Db\n4  | Ab7#5     # V7 of Db: #11 and b13 from the symbol\n5  | DbMaj7    # tonic: the 4th is in the key\n5  | Bb7b9     # V7\u002Fii in Db: the b13 is in the key, the b9 from the symbol\n6  | Ebm7      # ii of the ii–V to Db\n6  | Ab7b9     # V7 of Db: the b9 from the symbol\n7  | DbMaj7    # tonic: the 4th is in the key\n7  | Gm7b5     # #ivø7 in Db: Locrian, its own mode (the chord is outside the key)\n8  | Gb7#11    # tritone substitute: resolves down a half step to F7sus\n# area: Bb major (B 8 – C 7)\n8  | F7sus     # V7sus4 resolving down a fifth: Mixolydian, the 4th is a chord tone here\n\nsection: C\n1  | Bb6       # tonic: the 4th is in the key\n1  | F7#5      # extended dominant: V7 of Bb7; #11 and b13 from the symbol\n2  | Bb7       # V7\u002FIV in Bb: natural tensions\n3  | EbMaj7    # the Bb7 before it makes Eb the key of the moment: the 4th is in the key\n4  | Ebm6      # a minor sixth chord: Dorian\n4  | Ab7       # back door bVII7 to Bb: the #11 is in the key\n5  | Bb        # tonic: the 4th is in the key\n5  | Bb+       # from the symbol: augmented\n6  | Cm7       # ii of the ii–V to Bb\n6  | F7        # V7 of Bb: natural tensions\n7  | BbMaj7    # tonic: the 4th is in the key\n# area: B major (C 7–8)\n7  | C#m7      # ii of the ii–V to B\n7  | F#7       # V7 of B: natural tensions\n8  | BMaj7     # tonic: the 4th is in the key\n# area: Bb major (C 9–10)\n9  | Cm7b5     # iiø7 of Bb: Locrian, the key's own notes (its ♭2 is a passing note)\n9  | F7        # V7 of Bb: natural tensions\n10 | BbMaj7    # tonic: the 4th is in the key\n",1793575896415]