[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:the-duke":3},"title: The Duke\ncomposer: Dave Brubeck\nstyle: Medium Swing\nkey: C\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; C\n\nsection: A1\n# area: C major (A1 1–4)\n1 | CMaj7   # tonic: the 4th is in the key\n1 | FMaj7   # IV: the #4 is the key’s 7th\n2 | Em7\u002FG   # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n2 | Am7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2 | B7      # V7\u002Fiii in C: b9 and b13 are in the key\n3 | Em7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n3 | Am7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n4 | Dm7     # ii: Dorian, the key’s own notes\n# area: Eb major (A1 4–8)\n4 | Fm7     # ii of the ii–V to Eb\n4 | Bb7     # V7 of Eb: natural tensions\n5 | EbMaj7  # tonic: the 4th is in the key\n5 | DbMaj7  # ♭VIImaj7, borrowed from Eb minor: Lydian (its ♯11 is in the key)\n6 | Cm7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n6 | Bm7     # a borrowed minor chord: Dorian, its own key\n7 | Bbm7    # ii of the ii–V to Ab\n7 | Eb7     # V7\u002FIV in Eb: natural tensions\n7 | AbMaj7  # the Eb7 before it makes Ab the key of the moment: the 4th is in the key\n8 | D7      # tritone substitute: resolves down a half step to Db7\n# area: C major (A1 8 – A2 4)\n8 | Db7     # tritone substitute: resolves down a half step to CMaj7\n8 | CMaj7   # tonic: the 4th is in the key\n\nsection: A2\ncopy: A1\n\nsection: B\n1 | FMaj7   # IV: the #4 is the key’s 7th\n1 | E7      # III7 in C, not resolving: b9 and b13 are in the key\n2 | D7      # II7 in C, not resolving: natural tensions\n2 | CMaj7   # tonic: the 4th is in the key\n3 | Bbm7    # a borrowed minor chord: Dorian, its own key\n3 | AbMaj7  # ♭VImaj7, borrowed from C minor: Lydian (its ♯11 is in the key)\n4 | G7b9    # V7 in C, not resolving: the b9 from the symbol\n4 | Fm7     # iv7 from the parallel minor: Dorian, its notes\n# area: C minor (B 5)\n5 | Dm7b5   # iiø7 of C minor: Locrian, the key's own notes (its ♭2 is a passing note)\n5 | G7      # V7 of C minor: b9 and b13 are in the key\n5 | Cm7     # tonic minor: Dorian by convention\n# area: Bb minor (B 6–8)\n6 | Cm7b5   # iiø7 of Bb minor: Locrian, the key's own notes (its ♭2 is a passing note)\n6 | F7      # V7 of Bb minor: b9 and b13 are in the key\n6 | Bbm7    # tonic minor: Dorian by convention\n7 | Ab\u002FC    # ♭VII of B♭ minor: A♭ major, the notes of B♭ Dorian\n7 | Bbm7    # tonic minor: Dorian by convention\n7 | Ab6     # ♭VII of B♭ minor: A♭ major, the notes of B♭ Dorian\n7 | Gm7b5   # viø7 in Bb minor: Locrian, its own mode (the chord is outside the key)\n8 | Fm7     # v of a minor key: Phrygian, the key's own notes (its ♭2 is a passing note)\n8 | Ebsus   # static sus: Mixolydian\n# area: C major (B 8 – A3 4)\n8 | Db7#11  # tritone substitute: resolves down a half step to CMaj7\n\nsection: A3\n1 | CMaj7   # tonic: the 4th is in the key\n1 | FMaj7   # IV: the #4 is the key’s 7th\n2 | Em7\u002FG   # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n2 | Am7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2 | B7      # V7\u002Fiii in C: b9 and b13 are in the key\n3 | Em7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n3 | Am7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n4 | Dm7     # ii: Dorian, the key’s own notes\n# area: Eb major (A3 4–8)\n4 | Fm7     # ii of the ii–V to Eb\n4 | Bb7     # V7 of Eb: natural tensions\n5 | EbMaj7  # tonic: the 4th is in the key\n5 | DbMaj7  # ♭VIImaj7, borrowed from Eb minor: Lydian (its ♯11 is in the key)\n6 | Cm7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n6 | Bm7     # a borrowed minor chord: Dorian, its own key\n7 | Bbm7    # ii of the ii–V to Ab\n7 | Eb7     # V7\u002FIV in Eb: natural tensions\n7 | AbMaj7  # the Eb7 before it makes Ab the key of the moment: the 4th is in the key\n8 | D7      # tritone substitute: resolves down a half step to Db7\n# area: C major (A3 8)\n8 | Db7     # tritone substitute: resolves down a half step to CMaj7\n8 | CMaj7   # tonic: the 4th is in the key\n",1793575902642]