[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:mack-the-knife":3},"title: Mack the Knife\ncomposer: Kurt Weill\nstyle: Medium Swing\nkey: C\nform: A, 16 bars\naka: Moritat\nrecording: Sonny Rollins; Saxophone Colossus; Prestige; 1956\n# analysis: 2026-10-19, rules v2; C\n\nsection: A\n1  | C6      # tonic: the 4th is in the key\n2  | C#dim7  # vii°7 of Dm7: A7♭9 without its root\n3  | Dm7     # ii of the ii–V to C\n4  | Dm7\n5  | G7      # V7 of C: natural tensions\n6  | G7\n7  | C6      # tonic: the 4th is in the key\n8  | C6\n9  | Am7     # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n10 | Am7\n11 | Dm7     # ii of the ii–V to C\n12 | Dm7\n13 | Dm7\n14 | G7      # V7 of C: natural tensions\n15 | C6      # tonic: the 4th is in the key\n16 | C9      # I7 in C, not resolving: natural tensions\n16 | G7      # V7 of C: natural tensions\n",1793484801103]