[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:its-a-lovely-day-today":3},"title: It's A Lovely Day Today\ncomposer: Irving Berlin\nstyle: Medium Swing\nkey: Bb\nform: ABAB, 36 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A1\n1  | BbMaj7    # tonic: the 4th is in the key\n1  | Gm7       # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2  | Cm7       # ii of the ii–V to Bb\n2  | F7        # V7 of Bb: natural tensions\n3  | BbMaj7    # tonic: the 4th is in the key\n4  | Fm7       # ii of the ii–V to Eb\n4  | Bb7       # V7\u002FIV in Bb: natural tensions\n5  | EbMaj7    # the Bb7 before it makes Eb the key of the moment: the 4th is in the key\n5  | Ebm7      # iv7 from the parallel minor: Dorian, its notes\n6  | BbMaj7\u002FD  # tonic: the 4th is in the key\n6  | Dbdim7    # passing diminished: C7♭9 without its C, the F7's dominant (Cm7 its ii)\n7  | Cm7       # ii of the ii–V to Bb\n8  | F7        # V7 of Bb: natural tensions\n\nsection: B1\n1  | BbMaj7    # tonic: the 4th is in the key\n1  | Gm7       # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2  | Cm7       # ii of the ii–V to Bb\n2  | F7        # V7 of Bb: natural tensions\n3  | BbMaj7    # tonic: the 4th is in the key\n3  | Gm7       # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n4  | Cm7       # ii of the ii–V to Bb\n4  | F7        # V7 of Bb: natural tensions\n5  | BbMaj7    # tonic: the 4th is in the key\n6  | D7b9      # V7\u002Fvi in Bb: b9 and b13 are in the key\n6  | Gm7       # ii of C7: Dorian\n7  | C7        # V7 of V7: the dominant of the dominant: natural tensions\n8  | F7b9      # V7 of Bb: the b9 from the symbol\n\nsection: A2\ncopy: A1\n\nsection: B2\n1  | BbMaj7    # tonic: the 4th is in the key\n1  | Gm7       # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n2  | Cm7       # ii of the ii–V to Bb\n2  | F7        # V7 of Bb: natural tensions\n3  | BbMaj7    # tonic: the 4th is in the key\n3  | Gm7       # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n4  | Cm7       # ii of the ii–V to Bb\n4  | F7        # V7 of Bb: natural tensions\n5  | BbMaj7    # tonic: the 4th is in the key\n6  | D7b9      # V7\u002Fvi in Bb: b9 and b13 are in the key\n6  | Gm7       # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n7  | Ab9#11    # tritone substitute: resolves down a half step to G7b9\n8  | G7b9      # VI7 in Bb, not resolving: the b13 is in the key, the b9 from the symbol\n9  | EbMaj7    # IV: the #4 is the key’s 7th\n9  | EbmMaj7   # from the symbol: minor-major 7th\n10 | BbMaj7\u002FD  # tonic: the 4th is in the key\n10 | C7        # II7 in Bb, not resolving: natural tensions\n11 | Cm7       # ii of the ii–V to Bb\n11 | F7        # V7 of Bb: natural tensions\n12 | Bb6       # tonic: the 4th is in the key\n12 | Cm7       # ii of the ii–V to Bb\n12 | F7        # V7 of Bb: natural tensions\n",1793575892148]