[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:black-and-blue":3},"title: Black And Blue\ncomposer: Fats Waller\nstyle: Slow Swing\nkey: C\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; C\n\nsection: A1\n1  | Am7    # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2  | Dm7    # ii: Dorian, the key’s own notes\n3  | Am7    # ii of D7: Dorian\n4  | D7     # tritone substitute: resolves down a half step to Db7\n4  | Db7    # tritone substitute: resolves down a half step to C6\n5  | C6     # tonic: the 4th is in the key\n5  | A7     # V7\u002Fii in C: the b13 is in the key\n6  | Dm7    # ii of the ii–V to C\n6  | G7     # V7 of C: natural tensions\n7  | CMaj7  # tonic: the 4th is in the key\n8  | Bm7b5  # iiø7 of E7b9: Locrian, the key's own notes (its ♭2 is a passing note)\n8  | E7b9   # V7\u002Fvi in C: b9 and b13 are in the key\n9  | C6     # tonic: the 4th is in the key\n9  | F7     # IV7 in C, not resolving: the #11 is in the key\n10 | C6     # tonic: the 4th is in the key\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | Ab7    # ♭VI7 from the parallel minor: Lydian Dominant, it returns to I\n2  | Ab7\n3  | C6     # tonic: the 4th is in the key\n3  | Dm7    # ii: Dorian, the key’s own notes\n4  | Em7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4  | C6     # tonic: the 4th is in the key\n5  | Ab7    # ♭VI7 from the parallel minor: Lydian Dominant, it returns to I\n6  | Ab7\n7  | C6     # tonic: the 4th is in the key\n7  | F7     # IV7 in C, not resolving: the #11 is in the key\n8  | Bm7b5  # iiø7 of A minor: Locrian, the key's own notes (its ♭2 is a passing note)\n8  | E7b9   # V7\u002Fvi in C: b9 and b13 are in the key\n\nsection: A2\n1  | Am7    # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2  | Dm7    # ii: Dorian, the key’s own notes\n3  | Am7    # ii of D7: Dorian\n4  | D7     # tritone substitute: resolves down a half step to Db7\n4  | Db7    # tritone substitute: resolves down a half step to C6\n5  | C6     # tonic: the 4th is in the key\n5  | A7     # V7\u002Fii in C: the b13 is in the key\n6  | Dm7    # ii of the ii–V to C\n6  | G7     # V7 of C: natural tensions\n7  | C6     # tonic: the 4th is in the key\n7  | F7     # IV7 in C, not resolving: the #11 is in the key\n8  | C6     # tonic: the 4th is in the key\nalt 8  | C6     # tonic: the 4th is in the key\nalt 8  | Bm7b5  # iiø7 of A minor: Locrian, the key's own notes (its ♭2 is a passing note)\nalt 8  | E7     # V7\u002Fvi in C: b9 and b13 are in the key\n",1793575882940]