[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:tricotism":3},"title: Tricotism\ncomposer: Oscar Pettiford\nstyle: Medium Up Swing\nkey: Db\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; Db\n\nsection: A1\n1  | DbMaj7   # tonic: the 4th is in the key\n2  | DbMaj7\n3  | Eb7      # II7 in Db, not resolving: natural tensions\n4  | Eb7\n5  | GbMaj7   # IV: the #4 is the key’s 7th\n5  | Gdim7    # ♯IV°7 to I over its 5th: C7♭9 without its root, the ♯II°7's notes\n6  | Db6\u002FAb   # tonic: the 4th is in the key\n6  | Bb7      # tritone substitute: resolves down a half step to A7\n7  | A7       # tritone substitute: resolves down a half step to Ab7\n8  | Ab7      # V7 in Db, not resolving: natural tensions\n9  | Ebm7     # ii of the ii–V to Db\n9  | Ab7      # V7 of Db: natural tensions\n10 | Db6      # tonic: the 4th is in the key\n@ending 1 7 8\n@ending 2 9 10\n\nsection: B\n1  | A7       # ♭VI7 from the parallel minor: Lydian Dominant, it returns to I\n2  | A7\n3  | DbMaj7   # tonic: the 4th is in the key\n4  | Cm7b5    # iiø7 of Bb minor: Locrian, the key's own notes (its ♭2 is a passing note)\n4  | F7b9     # V7\u002Fvi in Db: b9 and b13 are in the key\n5  | Bbm      # vi: Aeolian, the key's own notes (the ♭6 is a passing note)\n5  | BbmMaj7  # from the symbol: minor-major 7th\n6  | Bbm7     # ii of Eb7: Dorian\n6  | Eb7      # V7\u002FV in Db: natural tensions\n7  | Ebm7     # ii of the ii–V to Db\n8  | Ab7      # V7 of Db: natural tensions\n\nsection: A2\n1  | DbMaj7   # tonic: the 4th is in the key\n2  | DbMaj7\n3  | Eb7      # II7 in Db, not resolving: natural tensions\n4  | Eb7\n5  | GbMaj7   # IV: the #4 is the key’s 7th\n5  | Gdim7    # ♯IV°7 to I over its 5th: C7♭9 without its root, the ♯II°7's notes\n6  | Db6\u002FAb   # tonic: the 4th is in the key\n6  | Bb7      # V7\u002Fii in Db: the b13 is in the key\n7  | Ebm7     # ii of the ii–V to Db\n7  | Ab7      # V7 of Db: natural tensions\n8  | Db6      # tonic: the 4th is in the key\n",1793575904349]