[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:lester-leaps-in":3},"title: Lester Leaps In\ncomposer: Lester Young\nstyle: Jazz\nkey: Bb\nform: AAB, 24 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A\n1 | Bb    # tonic: the 4th is in the key\n1 | Bdim  # vii°7 of Cm7: G7♭9 without its root\n2 | Cm7   # ii of the ii–V to Bb\n2 | F7    # V7 of Bb: natural tensions\n3 | Bb    # tonic: the 4th is in the key\n3 | Bdim  # vii°7 of Cm7: G7♭9 without its root\n4 | Cm7   # ii of the ii–V to Bb\n4 | F7    # V7 of Bb: natural tensions\n5 | Bb    # tonic: the 4th is in the key\n5 | Bb7   # V7\u002FIV in Bb: natural tensions\n6 | Eb    # the Bb7 before it makes Eb the key of the moment: the 4th is in the key\n6 | Ebm7  # iv7 from the parallel minor: Dorian, its notes\n7 | Bb    # tonic: the 4th is in the key\n7 | F7    # V7 of Bb: natural tensions\n8 | Bb    # tonic: the 4th is in the key\n8 | F7    # V7 of Bb: natural tensions\n9 | Bb    # tonic: the 4th is in the key\n@ending 1 8\n@ending 2 9\n\nsection: B\n1 | D7    # III7 in Bb, not resolving: b9 and b13 are in the key\n1 | Ddim  # auxiliary diminished: it decorates the chord and returns to it; not functioning diatonically: the symmetric scale\n2 | D9    # V7\u002Fvi in Bb: the b13 is in the key, the 9 from the symbol\n3 | Gm7   # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n3 | D+    # from the symbol: augmented\n4 | Dm7   # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n4 | G7    # extended dominant: V7 of C7\n5 | C7    # II7 in Bb, not resolving: natural tensions\n5 | Cdim  # auxiliary diminished: it decorates the chord and returns to it; not functioning diatonically: the symmetric scale\n6 | C9    # V7 of V7: the dominant of the dominant: natural tensions\n7 | F7    # V7 in Bb, not resolving: natural tensions\n8 | F+    # from the symbol: augmented\n",1793575893649]