[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:nigerian-marketplace":3},"title: Nigerian Marketplace\ncomposer: Oscar Peterson\nstyle: Latin\nkey: Eb\nform: AABBC, 64 bars\nrecording: Oscar Peterson Trio; Nigerian Marketplace; Pablo; 1982\nyoutube: aT22bCkKmTk\n# analysis: 2026-10-19, rules v2; Eb\n# recording: recorded live July 1981, Montreux Jazz Festival, Oscar Peterson with Niels-Henning Ørsted Pedersen and Terry Clarke, Pablo Live 2308-231 (Wikipedia gives 1981); the composer's own first recording, the title track (Wikipedia); video: \"Provided to YouTube by Universal Music Group\", Nigerian Marketplace, the same performance\n# book: Medium Latin, half note = 114. Head: Intro, A A, B B (segno at B), C (Fine).\n# book: solo on form (AABBC); after solos, D.S. al Fine. Solos evolve into a funky boogaloo feel.\n# key: no key signature; the A and C sections step down Am9 Gm9 Fm9 to Eb, and B cadences in Eb\n# key: the Gm9 bars are pinned to G minor so the 9 is not read as a Phrygian b2 in Eb\n\n# bar | chord\n# Intro: a one-bar piano figure on Am9, played 4 times\n\nsection: Intro\nbars: 4\n# area: Eb major (Intro 1 – A 1)\n1  | Am9        # a borrowed minor chord: Dorian, its own key\n\nsection: A\n1  | Am9        # a borrowed minor chord: Dorian, its own key\n# bar 4: the book repeats (Am9) in parentheses as a reminder; held\n@key 5 Gm\n# area: G minor (A 5)\n5  | Gm9        # tonic minor: Dorian by convention\n@key 9 Eb\n# area: Eb major (A 9 – C 1)\n9  | Fm9        # ii: Dorian, the key’s own notes\n12 | E9#11      # tritone substitute: resolves down a half step to EbMaj9#11\n13 | EbMaj9#11  # from the symbol: #11\n16 | EbMaj9#11\n@ending 1 16\n17 | EbMaj9#11\n@ending 2 17\n\nsection: B\nkey: Eb\n1  | Abm11      # a borrowed minor chord: Dorian, its own key\n@segno 1\n1  | Bbm7       # a borrowed minor chord: Dorian, its own key\n1  | CbMaj7     # ♭VImaj7, borrowed from Eb minor: Lydian (its ♯11 is in the key)\n2  | Abm11      # a borrowed minor chord: Dorian, its own key\n2  | Bbm7       # a borrowed minor chord: Dorian, its own key\n2  | CbMaj7     # ♭VImaj7, borrowed from Eb minor: Lydian (its ♯11 is in the key)\n3  | EbMaj7     # tonic: the 4th is in the key\n3  | Fm7        # ii: Dorian, the key’s own notes\n3  | EbMaj7\u002FG   # tonic: the 4th is in the key\n3  | EbMaj7     # tonic: the 4th is in the key\n4  | G7alt      # from the symbol: altered\n4  | Gb13       # tritone substitute: resolves down a half step to Fm7\n5  | Fm7        # ii: Dorian, the key’s own notes\n5  | Gm7        # iii: Phrygian, the key's own notes (the ♭2 is a passing note)\n5  | AbMaj7     # IV: the #4 is the key’s 7th\n5  | Am7b5      # #ivø7 in Eb: Locrian, its own mode (the chord is outside the key)\n6  | Bb9sus4    # V7sus4 before its dominant: Mixolydian, the 4th is a chord tone here\n6  | Bb13b9     # V7 of Eb: the b9 from the symbol\n7  | EbMaj7     # tonic: the 4th is in the key\n# alt (for solos, the book's bracketed changes): bars 1–2 (Abm9), bar 3 (EbMaj7), bar 4 (Gm7 C7#5), bar 5 (Fm9), bar 6 (Bb13), bar 7 (EbMaj7)\n# book: a written bass line for bars 5–6 is left out\n8  | EbMaj7\n@ending 1 8\n# bar 8: bass fill\n9  | EbMaj7\n@ending 2 9\n\nsection: C\nkey: Eb\nbars: 18\n1  | Am9        # a borrowed minor chord: Dorian, its own key\n@key 5 Gm\n# area: G minor (C 5)\n5  | Gm9        # tonic minor: Dorian by convention\n@key 9 Eb\n# area: Eb major (C 9–16)\n9  | Fm9        # ii: Dorian, the key’s own notes\n12 | E9#11      # tritone substitute: resolves down a half step to EbMaj9#11\n# bar 12: last time, rall.\n13 | EbMaj9#11  # from the symbol: #11\n16 | EbMaj9#11\n@nav 16 Fine\n",1793484801811]