[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:robbins-nest":3},"title: Robbin's Nest\ncomposer: Illinois Jacquet, Sir Charles Thompson\nstyle: Medium swing\nkey: Db\nform: AABC, 32 bars\n# analysis: 2026-10-19, rules v2; Db\n# book: composers printed as \"Illinois\" Batiste Jacquet, Sir Charles Thompson\n# book: solo on the form (AABC); after the solos, D.S. al Coda\n\n# bar | chord\n# intro bar 1 is a two-beat pickup (bass with piano)\n\nsection: Intro\nbars: 4\n1  | D13    # tritone substitute: resolves down a half step to Db6\n1  | Db6    # tonic: the 4th is in the key\n\nsection: A\n# intro bars 2–5: N.C. (bass figure)\n1  | Db6    # tonic: the 4th is in the key\n@segno 1\n3  | A9     # ♭VI7 from the parallel minor: Lydian Dominant\n5  | Fm7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n5  | Edim7  # passing diminished: Eb7♭9 without its Eb, the Ab13's dominant (Ebm7 its ii)\n6  | Ebm7   # ii of the ii–V to Db\n6  | Ab13   # V7 of Db: natural tensions\n7  | Db6    # tonic: the 4th is in the key\n7  | Bb7    # V7\u002Fii in Db: the b13 is in the key\n8  | Ebm7   # ii of the ii–V to Db\n8  | Ab7    # V7 of Db: natural tensions\n@ending 1 7 8\n9  | Db6    # tonic: the 4th is in the key\n10 | Db6\n@ending 2 9 10\n\nsection: B\n1  | F7     # extended dominant: V7 of Bb7\n3  | Bb7    # extended dominant: V7 of Eb7\n5  | Eb7    # II7 in Db, not resolving: natural tensions\n7  | Ebm7   # ii of the ii–V to Db\n8  | Ab7    # V7 of Db: natural tensions\n\nsection: C\nbars: 10\n1  | Db6    # tonic: the 4th is in the key\n3  | A9     # ♭VI7 from the parallel minor: Lydian Dominant\n5  | Fm7    # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n5  | Edim7  # passing diminished: Eb7♭9 without its Eb, the Ab13's dominant (Ebm7 its ii)\n6  | Ebm7   # ii of the ii–V to Db\n6  | Ab13   # V7 of Db: natural tensions\n7  | Db6    # tonic: the 4th is in the key\n@coda 7\n7  | Bb7    # V7\u002Fii in Db: the b13 is in the key\n8  | Ebm7   # ii of the ii–V to Db\n8  | Ab7    # V7 of Db: natural tensions\n@nav 8 D.S. al Coda\n# Coda: 4 bars N.C. (bass with piano, unison figure on Db), rit., ending on Db\n",1793484802708]