[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:peggys-blue-skylight":3},"title: Peggy's Blue Skylight\ncomposer: Charles Mingus\nstyle: Medium Swing\nkey: Db\nform: AABC, 48 bars\n# analysis: 2026-10-31, rules v2; Db\n\nsection: A1\n# area: Db major (A1 1–4)\n1  | Gm7b5   # iiø7 of F minor: Locrian, the key's own notes (its ♭2 is a passing note)\n2  | C7b13   # V7\u002Fiii in Db: b9 and b13 are in the key\n3  | FmMaj7  # from the symbol: minor-major 7th\n4  | FmMaj7\n# area: Ab major (A1 5–12)\n5  | Bbm7    # ii of the ii–V to Ab\n6  | Eb7b13  # V7 of Ab: the b13 from the symbol\n7  | AbMaj7  # tonic: the 4th is in the key\n8  | D7#5    # tritone substitute: resolves down a half step to Db7sus; b13 from the symbol\n9  | Db7sus  # static sus: Mixolydian\n10 | C7#9    # tritone substitute: resolves down a half step to B13; b9 and #9 from the symbol\n11 | B13     # tritone substitute: resolves down a half step to Bb7\n12 | Bb7     # V7\u002Fv in Ab: natural tensions\n# area: Db major (A1 13 – A2 4)\n13 | Ebm7    # ii of the ii–V to Db\n14 | Ab13    # V7 of Db: natural tensions\n15 | DbMaj7  # tonic: the 4th is in the key\n16 | DbMaj7\n\nsection: A2\ncopy: A1\n\nsection: B\n1  | Abm7    # ii of Db7: Dorian\n2  | Db7     # V7\u002FIV in Db: natural tensions\n# area: F major (B 3–4)\n3  | Gm7     # ii of the ii–V to F\n3  | C7      # V7 of F: natural tensions\n4  | FMaj7   # tonic: the 4th is in the key\n# area: Eb major (B 5 – C 4)\n5  | Fm7b5   # iiø7 of Eb: Locrian, the key's own notes (its ♭2 is a passing note)\n6  | Bb7b9   # V7 of Eb: the b9 from the symbol\n7  | EbMaj7  # tonic: the 4th is in the key\n8  | AbMaj7  # IV: the #4 is the key’s 7th\n8  | D7      # tritone substitute: resolves down a half step to Db7sus\n\nsection: C\n1  | Db7sus  # static sus: Mixolydian\n2  | C7#9    # tritone substitute: resolves down a half step to B13; b9 and #9 from the symbol\n3  | B13     # tritone substitute: resolves down a half step to Bb7\n4  | Bb7     # V7 of Eb: natural tensions\n# area: Db major (C 5–8)\n5  | Ebm7    # ii of the ii–V to Db\n6  | Ab13    # V7 of Db: natural tensions\n7  | DbMaj7  # tonic: the 4th is in the key\n8  | DbMaj7\n@nav 7 Fine\n",1793575898252]