[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:countdown":3},"title: Countdown\ncomposer: John Coltrane\nstyle: Up Tempo Swing\nkey: Bb\nform: A, 16 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A\n# area: Bb major (A 1–2)\n1  | Em7     # a borrowed minor chord: Dorian, its own key\n1  | F7      # V7 of Bb: natural tensions\n2  | BbMaj7  # tonic: the 4th is in the key\n# area: Gb major (A 2–3)\n2  | Db7     # V7 of Gb: natural tensions\n3  | GbMaj7  # tonic: the 4th is in the key\n# area: D major (A 3–5)\n3  | A7      # V7 of D: natural tensions\n4  | DMaj7   # tonic: the 4th is in the key\n5  | Dm7     # a borrowed minor chord: Dorian, its own key\n# area: Ab major (A 5–6)\n5  | Eb7     # V7 of Ab: natural tensions\n6  | AbMaj7  # tonic: the 4th is in the key\n# area: E major (A 6–7)\n6  | B7      # V7 of E: natural tensions\n7  | EMaj7   # tonic: the 4th is in the key\n# area: C major (A 7–9)\n7  | G7      # V7 of C: natural tensions\n8  | CMaj7   # tonic: the 4th is in the key\n9  | Cm7     # a borrowed minor chord: Dorian, its own key\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: D major (A 10–11)\n10 | A7      # V7 of D: natural tensions\n11 | DMaj7   # tonic: the 4th is in the key\n# area: Bb major (A 11 – Coda 2)\n11 | F7      # V7 of Bb: natural tensions\n12 | BbMaj7  # tonic: the 4th is in the key\n13 | Em7     # a borrowed minor chord: Dorian, its own key\n14 | F7      # V7 of Bb: natural tensions\n15 | BbMaj7  # tonic: the 4th is in the key\n16 | A7      # VII7 in Bb, not resolving: b9 and b13 are in the key\nalt 16 | Eb7     # IV7 in Bb, not resolving: the #11 is in the key\n@coda 16\n\nsection: Coda\n1  | Em7     # a borrowed minor chord: Dorian, its own key\n1  | F7      # V7 of Bb: natural tensions\n2  | BbMaj7  # tonic: the 4th is in the key\n# area: Gb major (Coda 2–3)\n2  | Db7     # V7 of Gb: natural tensions\n3  | GbMaj7  # tonic: the 4th is in the key\n# area: Bb major (Coda 3–4)\n3  | F7      # V7 of Bb: natural tensions\n4  | BbMaj7  # tonic: the 4th is in the key\n# area: D major (Coda 4–8)\n4  | A7      # V7 of D: natural tensions\n5  | DMaj7   # tonic: the 4th is in the key\n5  | BbMaj7  # ♭VImaj7, borrowed from D minor: Lydian (its ♯11 is in the key)\n6  | GbMaj7  # a non-tonic major chord: Lydian\n6  | DMaj7   # tonic: the 4th is in the key\n7  | BbMaj7  # ♭VImaj7, borrowed from D minor: Lydian (its ♯11 is in the key)\n7  | GbMaj7  # a non-tonic major chord: Lydian\n8  | DMaj7   # tonic: the 4th is in the key\n@coda 1\n",1793575885583]