[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:el-cajon":3},"title: El Cajon\ncomposer: Johnny Mandel\nstyle: Bossa Nova\nkey: Bb\nform: ABAC, 32 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A1\n1 | D7      # extended dominant: V7 of G7\nalt 1 | D7      # III7 in Bb, not resolving: b9 and b13 are in the key\nalt 1 | Ab7     # tritone substitute: resolves down a half step to G7\n2 | G7      # extended dominant: V7 of C7\n3 | C7      # II7 in Bb, not resolving: natural tensions\n4 | C7\n5 | Cm7     # ii of F7: Dorian\nalt 5 | Cm7     # ii: Dorian, the key’s own notes\nalt 5 | Gb7     # tritone substitute: resolves down a half step to F7\n6 | F7      # extended dominant: V7 of Bb7sus\n7 | Bb7sus  # I7sus4 before its dominant: Mixolydian, the 4th is a chord tone here\n8 | Bb7     # V7\u002FIV in Bb: natural tensions\n\nsection: B\n1 | EbMaj7  # the Bb7 before it makes Eb the key of the moment: the 4th is in the key\n2 | Am7b5   # iiø7 of D7b9: Locrian, the key's own notes (its ♭2 is a passing note)\n2 | D7b9    # V7\u002Fvi in Bb: b9 and b13 are in the key\n3 | Dm7b5   # iiø7 of G7b9: Locrian, the key's own notes (its ♭2 is a passing note)\n4 | G7b9    # extended dominant: V7 of C7; b9 from the symbol\n5 | C7      # II7 in Bb, not resolving: natural tensions\n6 | C7\n7 | Cm7     # ii of F7: Dorian\n8 | F7      # V7\u002FI in Bb: natural tensions\n8 | Eb7     # tritone substitute: resolves down a half step to D7\n\nsection: A2\n1 | D7      # extended dominant: V7 of G7\nalt 1 | D7      # III7 in Bb, not resolving: b9 and b13 are in the key\nalt 1 | Ab7     # tritone substitute: resolves down a half step to G7\n2 | G7      # extended dominant: V7 of C7\n3 | C7      # II7 in Bb, not resolving: natural tensions\n4 | C7\n5 | Cm7     # ii of F7: Dorian\nalt 5 | Cm7     # ii: Dorian, the key’s own notes\nalt 5 | Gb7     # tritone substitute: resolves down a half step to F7\n6 | F7      # extended dominant: V7 of Bb7sus\n7 | Bb7sus  # I7sus4 before its dominant: Mixolydian, the 4th is a chord tone here\n8 | Bb7     # V7\u002FIV in Bb: natural tensions\n\nsection: C\n1 | EbMaj7  # the Bb7 before it makes Eb the key of the moment: the 4th is in the key\n2 | Am7b5   # iiø7 of D7b9: Locrian, the key's own notes (its ♭2 is a passing note)\n2 | D7b9    # V7\u002Fvi in Bb: b9 and b13 are in the key\n3 | Dm7b5   # iiø7 of G7b9: Locrian, the key's own notes (its ♭2 is a passing note)\n4 | G7b9    # extended dominant: each one falls a fifth into the next: the b9 from the symbol\n5 | C7      # V7 of V7: the dominant of the dominant: natural tensions\n6 | F7      # V7 of Bb: natural tensions\n7 | Bb6     # tonic: the 4th is in the key\n8 | F7      # V7 of the Bb6 before it: natural tensions\n8 | Eb7     # tritone substitute: resolves down a half step to D7\n",1793575887276]