[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:billy-boy":3},"title: Billy Boy\ncomposer: Traditional\nstyle: Medium Up Swing\nkey: C\nform: AABA, 56 bars\n# analysis: 2026-10-31, rules v2; C\n\nsection: A1\n1  | CMaj7  # tonic: the 4th is in the key\n1  | A7     # V7\u002Fii in C: the b13 is in the key\n2  | Dm7    # ii of G7: Dorian\n2  | G7     # V7\u002FI in C: natural tensions\n3  | Em7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n3  | A7     # V7\u002Fii in C: the b13 is in the key\n4  | Dm7    # ii of the ii–V to C\n4  | G7     # V7 of C: natural tensions\n5  | CMaj7  # tonic: the 4th is in the key\n5  | F7     # tritone substitute: resolves down a half step to Em7\n6  | Em7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n6  | A7     # V7\u002Fii in C: the b13 is in the key\n7  | Dm7    # ii of G7: Dorian\n8  | G7     # V7\u002FI in C: natural tensions\n9  | Dm7    # ii of G7: Dorian\n10 | G7     # V7\u002FI in C: natural tensions\n11 | Em7b5  # iiø7 of D minor: Locrian, the key's own notes (its ♭2 is a passing note)\n12 | A7b9   # V7\u002Fii in C: the b13 is in the key, the b9 from the symbol\n13 | Dm7    # ii of G7: Dorian\n14 | G7     # V7\u002FI in C: natural tensions\n15 | Em7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n15 | A7     # V7\u002Fii in C: the b13 is in the key\n16 | Dm7    # ii of the ii–V to C\n16 | G7     # V7 of C: natural tensions\n17 | CMaj7  # tonic: the 4th is in the key\n18 | Gm7    # ii of the ii–V to F\n18 | C7     # V7\u002FIV in C: natural tensions\n@ending 1 15 16\n@ending 2 17 18\n\nsection: B\n1  | FMaj7  # the C7 before it makes F the key of the moment: the 4th is in the key\n2  | Fm6    # a minor sixth chord: Dorian\n3  | CMaj7  # tonic: the 4th is in the key\n4  | Bm7b5  # iiø7 of A minor: Locrian, the key's own notes (its ♭2 is a passing note)\n4  | E7b9   # V7\u002Fvi in C: b9 and b13 are in the key\n5  | Am7    # ii of D7: Dorian\n6  | D7     # V7\u002FV in C: natural tensions\n7  | Dm7    # ii of the ii–V to C\n8  | G7     # V7 of C: natural tensions\n\nsection: A2\n1  | CMaj7  # tonic: the 4th is in the key\n1  | A7     # V7\u002Fii in C: the b13 is in the key\n2  | Dm7    # ii of G7: Dorian\n2  | G7     # V7\u002FI in C: natural tensions\n3  | Em7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n3  | A7     # V7\u002Fii in C: the b13 is in the key\n4  | Dm7    # ii of the ii–V to C\n4  | G7     # V7 of C: natural tensions\n5  | CMaj7  # tonic: the 4th is in the key\n5  | F7     # tritone substitute: resolves down a half step to Em7\n6  | Em7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n6  | A7     # V7\u002Fii in C: the b13 is in the key\n7  | Dm7    # ii of G7: Dorian\n8  | G7     # V7\u002FI in C: natural tensions\n9  | Dm7    # ii of G7: Dorian\n10 | G7     # V7\u002FI in C: natural tensions\n11 | Em7b5  # iiø7 of D minor: Locrian, the key's own notes (its ♭2 is a passing note)\n12 | A7b9   # V7\u002Fii in C: the b13 is in the key, the b9 from the symbol\n13 | Dm7    # ii of the ii–V to C\n14 | G7     # V7 of C: natural tensions\n15 | CMaj7  # tonic: the 4th is in the key\n16 | Dm7    # ii of the ii–V to C\n16 | G7     # V7 of C: natural tensions\n",1793575882868]