Scale Theory

B♭ Mixolydian Scale: Notes, Chords, and How to Play It

By Interactive Chord Finder ·

B♭ Mixolydian is the home territory of jazz and blues horn players. Built on the 5th degree of E♭ major, it shares those same notes but treats B♭ as home. B♭7 is one of the most common chords in jazz standards and blues, and since B♭ is the concert pitch for many brass instruments, this mode appears constantly in ensemble music. Three flats keep it approachable on every instrument.

What Makes Mixolydian Different from Major?

The Mixolydian mode is almost identical to the major scale. The only difference is the flatted seventh degree — the note one whole step below the root instead of a half step. In B♭ Mixolydian, this means A♭ instead of A.

This ♭7 removes the leading tone — that half-step pull from the 7th degree up to the root that gives the major scale its strong sense of resolution. Without it, Mixolydian sounds more open, relaxed, and bluesy. The tonic chord is naturally a dominant 7th (B♭7) rather than a major 7th, which is exactly why Mixolydian is the go-to scale for playing over dominant 7th chords in jazz and blues.

For a broader overview of how modes work, see Modes Explained: Dorian to Locrian.

Notes of the B♭ Mixolydian Scale

The B♭ Mixolydian scale contains seven notes:

B♭ – C – D – E♭ – F – G – A♭

These are the same notes as E♭ major, but starting and resolving on B♭. The scale follows the Mixolydian interval pattern — W – W – H – W – W – H – W.

DegreeNoteInterval from RootStep to Next
1 (Root)B♭UnisonWhole step
2CMajor 2ndWhole step
3DMajor 3rdHalf step
4E♭Perfect 4thWhole step
5FPerfect 5thWhole step
6GMajor 6thHalf step
7A♭Minor 7thWhole step
8B♭Octave

The half steps fall between D–E♭ (degrees 3–4) and G–A♭ (degrees 6–7). Compare this to B♭ major, where the half steps fall between D–E♭ and A–B♭. The only change is that final interval: A♭ replaces A.

Parent Major Scale

B♭ Mixolydian is the 5th mode of E♭ major. This means it uses exactly the same notes as E♭ major but with B♭ as the tonal centre.

ScaleNotes
E♭ majorE♭ – F – G – A♭ – B♭ – C – D
B♭ MixolydianB♭ – C – D – E♭ – F – G – A♭

To find the parent major scale for any Mixolydian mode, go down a perfect 5th (or up a perfect 4th) from the root.

Comparison with B♭ Major

Since Mixolydian differs from major by just one note, a direct comparison is the clearest way to understand the mode:

ScaleNotes7th Degree
B♭ majorB♭ – C – D – E♭ – F – G – AMajor 7th
B♭ MixolydianB♭ – C – D – E♭ – F – G – A♭Minor 7th

That single change — A to A♭ — transforms the sound. The major scale pulls strongly towards resolution; the Mixolydian mode sits comfortably without that tension.

B♭ Mixolydian on Piano

B♭ Mixolydian has three flats: B♭, E♭, and A♭. This is the same key signature as E♭ major. The scale starts on B♭ and alternates between black and white keys in a comfortable pattern.

Right hand fingering (ascending): 4 – 1 – 2 – 3 – 1 – 2 – 3 – 4 (the fourth finger starts on B♭, thumb crosses under to C, then fingers walk up through A♭ to B♭)

Left hand fingering (ascending): 3 – 2 – 1 – 4 – 3 – 2 – 1 – 3 (the third finger starts on B♭, thumb plays E♭, then continues up)

Hold a B♭7 chord with the left hand while running the scale with the right to reinforce the Mixolydian sound and train your ear to hear B♭ as home.

B♭ Mixolydian on Guitar

B♭ Mixolydian works well at the 1st position on guitar, with the root on the 5th string 1st fret. It can also be played effectively at the 6th fret.

1st position (low to high):

StringFretNote
5th (A)1B♭
5th (A)3C
4th (D)openD
4th (D)1E♭
4th (D)3F
3rd (G)openG
3rd (G)1A♭
2nd (B)1C (octave)

The open D and G strings are both scale tones (the 3rd and 6th degrees), making open-position playing comfortable. The root B♭ on the 5th string 1st fret is easy to reach.

Use the guitar fretboard view in the Interactive Chord Finder to see all positions at once.

Diatonic Chords in B♭ Mixolydian

Stacking thirds on each scale degree produces these seven triads:

DegreeChordQualityNotes
IB♭MajorB♭ – D – F
iiCmMinorC – E♭ – G
iii°DdimDiminishedD – F – A♭
IVE♭MajorE♭ – G – B♭
vFmMinorF – A♭ – C
viGmMinorG – B♭ – D
♭VIIA♭MajorA♭ – C – E♭

The ♭VII chord (A♭ major in B♭ Mixolydian) is the characteristic chord of the mode. The movement from B♭ to A♭ — a whole-step drop — is the quintessential Mixolydian sound.

For more on how diatonic chords are constructed, see Diatonic Chords: A Beginner’s Guide.

Seventh Chords

Adding a fourth note to each triad creates seventh chords:

DegreeChordQualityNotes
I7B♭7Dominant 7thB♭ – D – F – A♭
ii7Cm7Minor 7thC – E♭ – G – B♭
iiiø7Dm7♭5Half-diminishedD – F – A♭ – C
IVmaj7E♭maj7Major 7thE♭ – G – B♭ – D
v7Fm7Minor 7thF – A♭ – C – E♭
vi7Gm7Minor 7thG – B♭ – D – F
♭VIImaj7A♭maj7Major 7thA♭ – C – E♭ – G

The tonic chord is a dominant 7th (B♭7). In jazz and blues, B♭7 appears constantly — it is the I chord in a B♭ blues, the IV chord in an F blues, and the V chord in an E♭ blues.

For more on seventh chords, see Seventh Chords: The Complete Guide.

Common Chord Progressions in B♭ Mixolydian

Mixolydian progressions tend to be simpler and more riff-driven than major key progressions.

ProgressionChordsStyle
I – ♭VIIB♭ – A♭Mixolydian vamp, rock riffs
I – ♭VII – IVB♭ – A♭ – E♭Classic rock, folk-rock
I – IV – ♭VII – IVB♭ – E♭ – A♭ – E♭Southern rock, country
I – IVB♭ – E♭Blues-rock vamp
I – v – ♭VII – IVB♭ – Fm – A♭ – E♭Pop-rock, indie
I7 – IV7B♭7 – E♭7Blues, funk

The I – ♭VII movement (B♭ – A♭) is a staple in jazz and blues horn arrangements.

For a deeper dive into how progressions work, see Chord Progressions Every Musician Should Know.

Songs That Use B♭ Mixolydian

B♭ Mixolydian appears regularly in jazz, blues, and pop:

  • “Tenor Madness” — Sonny Rollins (B♭7 blues)
  • “Bags’ Groove” — Milt Jackson (B♭ sections)
  • “Rock Steady” — Aretha Franklin
  • “Everyday People” — Sly & the Family Stone
  • “I Feel Good” — James Brown (sections)
  • “Second Line” — various New Orleans brass bands

Listen for the ♭7 note (A♭) in the melody or the ♭VII chord (A♭ major) in the harmony — these are the tell-tale signs of Mixolydian rather than plain major.

B♭ Mixolydian belongs to the E♭ major family. All seven modes share the same notes:

Scale / ModeStarting NoteCharacter
E♭ major (Ionian)E♭Bright, resolved
F DorianFMinor with a lifted feel
G PhrygianGDark, Spanish flavour
A♭ LydianA♭Dreamy, floating major
B♭ MixolydianB♭Bluesy, relaxed major (you are here)
C natural minor (Aeolian)CDark, reflective
D LocrianDUnstable, diminished

Practice Tips

Emphasise the ♭7. Play B♭ major ascending, then play B♭ Mixolydian. The only difference is A vs A♭ — train your ear to hear that subtle but powerful shift.

Vamp on I – ♭VII. Alternate between B♭ and A♭ chords while improvising with the scale. This locks in the Mixolydian sound.

Play over a B♭7 drone. Hold a B♭7 chord or use a backing track that sits on B♭7. Improvise with the scale and notice how A♭ fits perfectly over the chord.

Play a B♭ blues. The 12-bar blues in B♭ (B♭7 – E♭7 – F7) is one of the most common jazz blues keys. Use B♭ Mixolydian over the B♭7 sections.

Try horn-style phrasing. B♭ is a natural key for trumpet and tenor saxophone. Try playing scale patterns that mimic horn lines — short, punchy phrases with rhythmic variety.

Try It Yourself

Open the Interactive Chord Finder, select B♭ as the root and Mixolydian as the scale. You will see every note highlighted on the piano keyboard or guitar fretboard, the step pattern visualised as intervals, and all diatonic chords laid out in a table — ready to play and explore.

For the complete list of scales in every key, see Scales for Piano and Guitar: The Complete Reference Guide.