[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:background-music":3},"title: Background Music\ncomposer: Warne Marsh\nstyle: Medium Swing\nkey: Ab\nform: ABAC, 32 bars\n# analysis: 2026-10-31, rules v2; Ab\n\nsection: A1\n1 | AbMaj7  # tonic: the 4th is in the key\n2 | AbMaj7\n3 | Gm7b5   # iiø7 of C7: Locrian, the key's own notes (its ♭2 is a passing note)\n4 | C7      # V7 of F7, on the way to Bb minor: b9 and b13 are in the key\n5 | F7      # V7 of Bb minor, the chain's last link: b9 and b13 are in the key\n6 | F7\n7 | Bbm7    # ii: Dorian, the key’s own notes\n8 | Bbm7\n\nsection: B\n1 | Gm7b5   # iiø7 of F minor: Locrian, the key's own notes (its ♭2 is a passing note)\n2 | C7      # V7\u002Fvi in Ab: b9 and b13 are in the key\n3 | Fm7     # ii of Bb7: Dorian\n4 | Fm7\n5 | Bb7     # V7\u002FV in Ab: natural tensions\n6 | Bb7\n7 | Bbm7    # ii of the ii–V to Ab\n8 | Eb7     # V7 of Ab: natural tensions\n\nsection: A2\n1 | AbMaj7  # tonic: the 4th is in the key\n2 | AbMaj7\n3 | Gm7b5   # iiø7 of C7: Locrian, the key's own notes (its ♭2 is a passing note)\n4 | C7      # V7 of F7, on the way to Bb minor: b9 and b13 are in the key\n5 | F7      # V7 of Bb minor, the chain's last link: b9 and b13 are in the key\n6 | F7\n7 | Bbm7    # ii: Dorian, the key’s own notes\n8 | Bbm7\n\nsection: C\n1 | DbMaj7  # IV: the #4 is the key’s 7th\n2 | Dbm7    # ii of Gb7: Dorian\n2 | Gb7     # extended ii–V: a side-step, its own key\n3 | Cm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4 | F7      # V7\u002Fii in Ab: the b13 is in the key\n5 | Bbm7    # ii of the ii–V to Ab\n6 | Eb7     # V7 of Ab: natural tensions\n7 | Ab6     # tonic: the 4th is in the key\n8 | Ab6\n",1793575882121]