[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:eternal-triangle":3},"title: Eternal Triangle\ncomposer: Sonny Stitt\nstyle: Up Tempo Swing\nkey: Bb\nform: AABA, 32 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 F7: Dorian\n2  | F7      # V7\u002FI in Bb: natural tensions\n3  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n3  | G7      # V7\u002Fii in Bb: the b13 is in the key\n4  | Cm7     # ii of F7: Dorian\n4  | F7      # V7\u002FI in Bb: natural tensions\n5  | Fm7     # ii of Bb7: Dorian\n5  | Bb7     # extended dominant: V7 of Eb7\n6  | Eb7     # extended dominant: V7 of Ab7\n6  | Ab7     # ♭VII7 from the parallel minor: Lydian Dominant\n7  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n7  | G7      # V7\u002Fii in Bb: the b13 is in the key\n8  | Cm7     # ii of F7: Dorian\n8  | F7      # V7\u002FI in Bb: natural tensions\n9  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n9  | G7      # V7\u002Fii in Bb: the b13 is in the key\n10 | Cm7     # ii of the ii–V to Bb\n10 | F7      # V7 of Bb: natural tensions\n10 | BbMaj7  # tonic: the 4th is in the key\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | Bm7     # ii of E7: Dorian\n2  | E7      # extended ii–V: a side-step, its own key\n3  | Bbm7    # ii of Eb7: Dorian\n4  | Eb7     # extended ii–V: a side-step, its own key\n5  | Am7     # ii of D7: Dorian\n5  | D7      # extended ii–V: a side-step, its own key\n6  | Abm7    # ii of Db7: Dorian\n6  | Db7     # extended ii–V: a side-step, its own key\n7  | Gm7     # ii of C7: Dorian\n7  | C7      # V7\u002FV in Bb: natural tensions\n8  | F#m7    # ii of B7: Dorian\n8  | B7      # tritone substitute: resolves down a half step to BbMaj7\n\nsection: A2\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 F7: Dorian\n2  | F7      # V7\u002FI in Bb: natural tensions\n3  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n3  | G7      # V7\u002Fii in Bb: the b13 is in the key\n4  | Cm7     # ii of F7: Dorian\n4  | F7      # V7\u002FI in Bb: natural tensions\n5  | Fm7     # a borrowed minor chord: Dorian, its own key\n5  | Bbm7    # ii of Eb7: Dorian\n6  | Eb7     # extended dominant: V7 of Ab7\n6  | Ab7     # ♭VII7 from the parallel minor: Lydian Dominant\n7  | Dm7     # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n7  | G7      # V7\u002Fii in Bb: the b13 is in the key\n8  | Cm7     # ii of the ii–V to Bb\n8  | F7      # V7 of Bb: natural tensions\n8  | BbMaj7  # tonic: the 4th is in the key\n",1793575887513]