[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:locomotion":3},"title: Locomotion\nsubtitle: Blues (12 12 8 12)\ncomposer: John Coltrane\nstyle: Blues\nkey: Bb\ncontext: blues\nform: AABC, 44 bars\nrecording: John Coltrane; Blue Train; Blue Note; 1958\nyoutube: hkxI2jKlSvM\n# analysis: 2026-10-22, rules v2; Bb, blues\n# recording: recorded 1957-09-15, Blue Note BLP 1577, released 1958 (jazzdisco.org, MusicBrainz release group, Wikipedia)\n\n# bar | chord | scale\n\nsection: A1\n1  | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n5  | Eb7  # IV7 of the blues: a subdominant with dominant color, Mixolydian (the #11 is an extra color)\n7  | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n9  | Cm7  # ii of F7: Dorian\n10 | F7   # extended dominant: V7 of Bb7\n11 | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n12 | Cm7  # ii of F7: Dorian\n12 | F7   # extended dominant: V7 of Bb7\n\nsection: A2\nbars: 12\n1  | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n5  | Eb7  # IV7 of the blues: a subdominant with dominant color, Mixolydian (the #11 is an extra color)\n7  | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n9  | Cm7  # ii of F7: Dorian\n10 | F7   # extended dominant: V7 of Bb7\n11 | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n\nsection: B\nbars: 8\n1  | Ab7  # tritone substitute: resolves down a half step to G7\n3  | G7   # tritone substitute: resolves down a half step to Gb7\n5  | Gb7  # tritone substitute: resolves down a half step to F7\n7  | F7   # V7 of the blues: a dominant that needn’t resolve, Mixolydian\n\nsection: C\nbars: 12\n1  | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n5  | Eb7  # IV7 of the blues: a subdominant with dominant color, Mixolydian (the #11 is an extra color)\n7  | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n9  | Cm7  # ii of F7: Dorian\n10 | F7   # extended dominant: V7 of Bb7\n11 | Bb7  # I7 of the blues: a tonic with dominant color, Mixolydian\n",1793484800946]