[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:freight-train":3},"title: Freight Train\ncomposer: Tommy Flanagan\nstyle: Medium Up Swing\nkey: Ab\nform: A, 12 bars\n# analysis: 2026-10-31, rules v2; Ab\n\nsection: A\n1  | AbMaj7  # tonic: the 4th is in the key\n2  | Gm7b5   # iiø7 of F minor: Locrian, the key's own notes (its ♭2 is a passing note)\n2  | C7b9    # V7\u002Fvi in Ab: b9 and b13 are in the key\n3  | Fm7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n3  | Em7     # a borrowed minor chord: Dorian, its own key\n4  | Ebm7    # ii of the ii–V to Db\n4  | Ab7     # V7\u002FIV in Ab: natural tensions\n5  | DbMaj7  # the Ab7 before it makes Db the key of the moment: the 4th is in the key\n6  | Dbm7    # ii of Gb7: Dorian\n6  | Gb7     # extended ii–V: a side-step, its own key\n7  | Cm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n7  | F7      # extended ii–V: a side-step, its own key\n8  | Bm7     # ii of E7: Dorian\n8  | E7      # extended ii–V: a side-step, its own key\n9  | Bbm7    # ii of Eb7: Dorian\n10 | Eb7     # V7\u002FI in Ab: natural tensions\n11 | Cm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n11 | F7      # V7\u002Fii in Ab: the b13 is in the key\n12 | Bbm7    # ii of the ii–V to Ab\n12 | Eb7     # V7 of Ab: natural tensions\n",1793575888532]