Bebop Scale

Eight-note major scales with a chromatic ♯5, all twelve keys

A regular major scale has seven notes per octave; in 4/4 eighth notes, the chord tones land on the off-beats half the time. The bebop scale fixes this by adding one chromatic passing tone — for the major bebop, that's the ♯5 between 5 and 6. Now you have eight notes per octave, which divides evenly into eighth notes, and the 1-3-5-6 chord tones — the notes of the I6 chord — land on beats 1-2-3-4 every time. (The major 7 lands on the last upbeat, a passing tone into the octave.)

This is the language Charlie Parker, Bud Powell, Dizzy Gillespie, and every bebop player after them spoke. The chromatic passing tone is what makes a phrase "sound bebop": not the scale itself, but the alignment between scale and meter. Ascending and descending — they're not symmetric melodically, but both are foundational vocabulary.

Now 2 octaves, both hands — the same pattern extended up and back with fingering marked above every note in each hand.

Major bebop

1 – 2 – 3 – 4 – 5 – ♯5 – 6 – 7 (over I major)

Why ♯5?

Eight notes per octave = chord tones on every downbeat.

C major

F major

B♭ major

E♭ major

A♭ major

D♭ major

G♭ major

B major

E major

A major

D major

G major

The Daily Drill

Land on the downbeat

3 minPlay one key with a metronome ticking quarters. Eight eighths from the root land you back on the root on the next downbeat. Feel the metric weight of the chord tones — they're on the click.
10 minCycle three keys at a time, ♩ = 90 (so ♪ = 180). Don't rush the chromatic passing tone — it's just a passing note, not a destination.
3 minTry starting on the 3 instead of the root. The scale from E to E still lands chord tones (3, 5, 6, 1) on the downbeats — because the chromatic is still in the right spot.
4 minImprovise a 4-bar phrase using just bebop scale notes, starting on each downbeat. The chromatic is what gives your line its bebop accent.

Why ♯5, not ♭7 or ♭2?

The major bebop scale's added chromatic goes between 5 and 6 — it's the ♯5 (or ♭6, same pitch). The reason: with that note added, the scale has exactly eight notes between the tonic and its octave, and the chord tones of the I6 chord (1, 3, 5, 6) fall on the four strong beats — which is exactly why the scale sits as naturally over I6 as over Imaj7. The dominant bebop scale, played over V7, adds its chromatic between ♭7 and 7 (the major 7) for the same reason — chord tones on downbeats. Different chord, different chromatic; same architectural logic.

Seven scale tones plus one chromatic. The whole secret of bebop, written into the meter.

80 bpm

Sound