A Dorian Bebop, E9 Pedal Steel Side

8 notes to the octave, mapped below onto this reader's E9 neck, with every A called out. Those markers are the useful part mid-bar: a chart moves under you, and the thing you need is where the root went — not where the pattern started.

Dorian with a chromatic passing tone slipped between the b3 and the 4 — eight notes, so chord tones keep landing on the strong beats in a run of eighth notes. Cool, flowing, and swinging.

Heard in: Bebop and straight-ahead jazz lines over minor seventh chords — Charlie Parker, Dizzy Gillespie, and the Barry Harris approach.

Between two numbers the bar comes to rest and the pedals keep working: a pedal or lever raises a ringing string into the next note of a line, so a scale here marks where the bar can stop and which of its notes a bend can reach from there.

Play it slowly against the audio until the bar position stops being a bar position, then take it to a chart counted in A and let the numbers pick their own notes out of it.