[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:nightlake":3},"title: Nightlake\ncomposer: Richie Beirach\nstyle: Medium swing\nkey: Bbm\nform: A, 13 bars\ntime: 6\u002F4\nrecording: John Abercrombie Quartet; Arcade; ECM; 1979\nyoutube: 0DyMCwg1qVs\n# analysis: 2026-10-19, rules v2; Bb minor\n# recording: recorded December 1978 (Richie Beirach, George Mraz, Peter Donald), ECM 1133; the chart follows Abercrombie's version (Wikipedia, MusicBrainz); video: Works, the same take\n# book: Med. Swing (quarter = 124), as played by John Abercrombie\n# book: head is played twice before and after solos\n\n# bar | chord\n\nsection: A\nbars: 16\n1  | DbmMaj7    # from the symbol: minor-major 7th\n# book: Dbm(b13 maj7)\n2  | FmMaj7     # from the symbol: minor-major 7th\n# book: Fm9(maj7)\n3  | Ab\u002FE       # ♭VII of B♭ minor: A♭ major, the notes of B♭ Dorian\n4  | DbMaj7#11  # from the symbol: #11\n5  | Ddim7      # vii°7 to EMaj7\u002FEb, up to its bass: Bb7♭9 without its root\n6  | EMaj7\u002FEb   # a non-tonic major chord: Lydian\n7  | D\u002FEb       # a non-tonic major chord: Lydian\n8  | DbMaj7\u002FEb  # bIII of Bb minor: the relative major itself\n9  | F#mMaj7    # from the symbol: minor-major 7th\n9  | F7#5#9     # V7 of Bb minor: the b13 is in the key, b9, #9 and #11 from the symbol\n10 | Bbm        # tonic minor: Dorian by convention\n# book: Bbm(add9 add11)\n11 | F7#5#9     # V7 of Bb minor: the b13 is in the key, b9, #9 and #11 from the symbol\n12 | Bbm        # tonic minor: Dorian by convention\n# book: Bbm(add9 add11)\n13 | F7#5#9     # V7 of the Bbm before it: the b13 is in the key, b9, #9 and #11 from the symbol\n# alt: bar 13, second half (BMaj7\u002FF)\n\nsection: Ending\nbars: 4\n1  | Bbm        # tonic minor: Dorian by convention\n# book: Bbm(add9 add11)\n2  | F7#5#9     # V7 of the Bbm before it: the b13 is in the key, b9, #9 and #11 from the symbol\n3  | Dm9        # a borrowed minor chord: Dorian, its own key\n# book: Ending bars 2–3 are fermatas, molto rit.\n",1793484801843]