[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:raincheck":3},"title: Raincheck\ncomposer: Billy Strayhorn\nstyle: Medium Swing\nkey: F\nform: ABAC, 32 bars\n# analysis: 2026-10-31, rules v2; F\n\nsection: A1\n1 | FMaj7   # tonic: the 4th is in the key\n1 | Gm7     # ii: Dorian, the key’s own notes\n2 | G#dim7  # vii°7 to F\u002FA, up to its bass: E7♭9 without its root\n2 | F\u002FA     # tonic: the 4th is in the key\n3 | Bb6     # IV: the #4 is the key’s 7th\n3 | Am7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4 | G7      # V7 of V7: the dominant of the dominant: natural tensions\n4 | C7      # V7 of F: natural tensions\n5 | FMaj7   # tonic: the 4th is in the key\n5 | Gm7     # ii: Dorian, the key’s own notes\n6 | G#dim7  # vii°7 to F\u002FA, up to its bass: E7♭9 without its root\n6 | F\u002FA     # tonic: the 4th is in the key\n7 | Bb6     # IV: the #4 is the key’s 7th\n7 | F6      # tonic: the 4th is in the key\n8 | Gm7     # ii of the ii–V to F\n8 | C7      # V7 of F: natural tensions\n\nsection: B\n1 | FMaj7   # tonic: the 4th is in the key\n1 | Gm7     # ii: Dorian, the key’s own notes\n2 | G#dim7  # vii°7 to F\u002FA, up to its bass: E7♭9 without its root\n2 | F\u002FA     # tonic: the 4th is in the key\n3 | Bb6     # IV: the #4 is the key’s 7th\n3 | Am7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4 | Bm7     # ii of E7: Dorian\n4 | E7      # extended ii–V: a side-step, its own key\n5 | C#m7    # a borrowed minor chord: Dorian, its own key\n5 | F#m7    # a borrowed minor chord: Dorian, its own key\n6 | Bm7     # ii of E7: Dorian\n6 | E7      # tritone substitute: resolves down a half step to Eb7\n7 | Eb7     # tritone substitute: resolves down a half step to D7\n7 | D7      # tritone substitute: resolves down a half step to Db7\n8 | Db7     # tritone substitute: resolves down a half step to C7\n8 | C7      # V7 of F: natural tensions\n\nsection: A2\ncopy: A1\n\nsection: C\n1 | FMaj7   # tonic: the 4th is in the key\n2 | Cm7     # ii of the ii–V to Bb\n2 | F7      # V7\u002FIV in F: natural tensions\n3 | BbMaj7  # the F7 before it makes Bb the key of the moment: the 4th is in the key\n4 | Bbm6    # a minor sixth chord: Dorian\n5 | FMaj7   # tonic: the 4th is in the key\n5 | Gm7     # ii: Dorian, the key’s own notes\n6 | G#dim7  # vii°7 to F\u002FA, up to its bass: E7♭9 without its root\n6 | F\u002FA     # tonic: the 4th is in the key\n7 | Bb6     # IV: the #4 is the key’s 7th\n7 | F\u002FA     # tonic: the 4th is in the key\n8 | Gb7     # tritone substitute: resolves down a half step to F6\n8 | F6      # tonic: the 4th is in the key\n",1793575898968]