The Blues Scale

Introduction to The Blues

The most influential musical language

No article covering the blues scale would be complete without a brief introduction to the blues. It is beyond the scope of this tutorial to cover the enormous depth and breadth of the rich cultural traditions that lie at the core of the blues, however some context is important to understand how the blues scale, as a teaching device for beginner improvisers, relates to the musical traditions and heritage of the blues itself.

The musical language of the blues as we know it today has its origins in African-American vocal musical traditions in the late 19th and early 20th centuries — though its roots stretch much further back, into the musical, cultural and religious practices that enslaved Africans carried with them over centuries across the Atlantic via the transatlantic slave trade routes. In the New World, these cultural traditions survived and transformed through the work songs sung in cotton fields, the spirituals sung in church, the ring shouts and field hollers that punctuated daily labour, and the unaccompanied "country" blues sung on porches in the rural South. The call-and-response patterns, microtonal pitch flexibility, percussive rhythmic phrasing and use of music as collective emotional release that characterise the blues all have direct antecedents in West African musical traditions. Out of all of this, by the closing decades of the nineteenth century, something recognisable as blues had taken shape.

W.C. Handy, born in Alabama, published the first commercially successful blues compositions in the 1910s — Memphis Blues (1912) and St. Louis Blues (1914) — bringing the form to a wider audience. The first commercial blues recording came in 1920, when Mamie Smith recorded Crazy Blues, opening the door to an entire era through which the music of artists like Bessie Smith, Robert Johnson, Ma Rainey and Blind Lemon Jefferson reached audiences far beyond the South. The Great Migration carried the blues north — to Memphis, St. Louis, Chicago, Detroit — where it electrified into the urban blues that would in turn give rise to rhythm and blues, rock and roll, and almost everything that came after.

I would definitely recommend doing some reading around the topic to try to understand the context of the blues and its clumsy yet important application to a blues scale for beginners. For those who are interested in learning more about the history of the blues and its traditions, I recommend starting with reading Africa and the Blues by Gerhard Kubik, Congo Square: African Roots in New Orleans by Freddi Williams Evans and The History Of The Blues: The Roots, The Music, The People by Francis Davis.

What Is the Blues Scale?

A six-note scale built from the pentatonic plus one blue note

The blues scale was first formalised pedagogically as a six-note scale by jazz educators David Baker and Jamey Aebersold in the 1970s. The "true" blue notes in vocal and instrumental blues are not equal-tempered pitches — they sit microtonally between the major and minor third, and between the perfect and flat fifth — but for practical purposes on fixed-pitch instruments, the blues scale uses the equal-tempered ♭5 (minor blues) or ♭3 (major blues) as blue notes. Saxophonists and guitarists also bend up to and away from these notes to approximate the original microtonal feel.

From a technical point of view, the blues scale is a six-note (hexatonic) scale created by adding a single chromatic note — called the blue note — to a pentatonic scale. The minor blues scale takes the minor pentatonic and adds a flattened fifth between the 4 and the 5; the major blues scale takes the major pentatonic and adds a flattened third between the 2 and the 3. In both cases, that single added note is what differentiates it from the pentatonic scale in tone colour.

The blues scale exists to approximate the melodic contour that defines blues, jazz, soul, rock, R&B and country styles. The added blue note approximates the melodic possibilities implied by stylistic features of the blues — it doesn't fit neatly into any of the underlying chords, although it can be harmonised to create the harmonic language of jazz and rhythm and blues. The blue note is used as a colour tone, slid into and out of, bent up to or down from, and emphasised at moments of expressive intensity. The blue note is just one of many possible chromatic passing tones that are available to the improviser. Listen to Cannonball Adderley or Eddie Cleanhead Vinson, B.B. King, Oscar Peterson or Professor Longhair to learn intuitively how to treat the blue note less as a stable scale tone and more as a passing colour.

Minor Blues vs Major Blues — The Two Forms

The pentatonic plus one note, in two flavours

The blues scale comes in two forms — minor and major — corresponding to the two forms of the pentatonic scale. Each form takes its parent pentatonic and adds one chromatic blue note. The minor blues scale is by far the more commonly searched, taught and used; the major blues scale provides a brighter, more country-and-jazz-flavoured counterpart. Have a listen to two tracks from Oliver Nelson's seminal album Blues and the Abstract Truth - For a minor blues scale sound listen to Stolen Moments. For a major blues scale sound try Yearnin'.

Note something interesting: the A minor blues scale and the C major blues scale share five of their six notes. Both contain A, C, D, E, G plus the same E♭ as their blue note. The only difference is the second and sixth degrees relative to the tonic. Just as A minor pentatonic and C major pentatonic share five notes from different starting points, the A minor blues and C major blues are similarly close cousins. Working musicians often blend them in the same solo — the so-called "major-minor" sound that defines so much great blues and jazz playing.

Which Form Should You Learn First?

Almost universally: the minor blues scale, in the key of A. It builds on A minor pentatonic — and is the foundation of most guitar-based blues playing for rock, blues and jazz. Once A minor blues is fluent, the major blues version of the same key adds the brighter colour, and you progress through the keys most often used in the music you actually play.

The Minor Blues Scale

The six-note scale at the heart of blues, rock and jazz

The minor blues scale is the minor pentatonic scale with one note added: the flat fifth, also called the blue note. Where the minor pentatonic has five notes (1, ♭3, 4, 5, ♭7), the minor blues scale has six (1, ♭3, 4, ♭5, 5, ♭7). The blue note sits as a chromatic passing tone between the perfect fourth and the perfect fifth.

The Minor Blues Scale Formula

Expressed as intervals between consecutive notes, the minor blues scale formula is Tone+Semitone, Tone, Semitone, Semitone, Tone+Semitone, Tone — or in semitones: 3, 2, 1, 1, 3, 2. The two consecutive semitones in the middle (between 4–♭5 and ♭5–5) are unique to the blues scale and what give it its distinctive chromatic character.

Building A Minor Blues From the Formula

Starting on A and applying the formula:

A  +T+S→ C  +T→ D  +S→ E♭  +S→ E  +T+S→ G  +T→ A

This gives A, C, D, E♭, E, G — the A minor blues scale, also called simply A blues. The E♭ is the blue note. The scale uses no key signature accidentals beyond that single chromatic addition. A blues is the first blues scale and the one almost every blues musician learns first.

From the Minor Pentatonic Scale

You can also derive the minor blues scale by starting from the minor pentatonic and adding one note:

The E♭ blue note is inserted between the D (the 4) and the E (the 5). This is the simplest possible derivation, and it explains why everything you know about the minor pentatonic scale transfers directly to blues playing — you are just adding one chromatic passing note. Many blues educators teach the minor pentatonic first and then add the blue note as a single conceptual step.

The Major Blues Scale

The brighter, country-and-jazz blues counterpart

The major blues scale is the major pentatonic scale with one note added: the flat third, used as the blue note. Where the major pentatonic has five notes (1, 2, 3, 5, 6), the major blues scale has six (1, 2, ♭3, 3, 5, 6). The blue note sits as a chromatic passing tone between the major second and the major third.

The Major Blues Scale Formula

Expressed as intervals between consecutive notes: Tone, Semitone, Semitone, Tone+Semitone, Tone, Tone+Semitone — or in semitones: 2, 1, 1, 3, 2, 3. The two consecutive semitones (between 2–♭3 and ♭3–3) sit lower in the scale than the corresponding semitones in the minor blues scale, which is what makes one sound bright-bluesy and the other sound dark-bluesy.

Building C Major Blues From the Formula

Starting on C and applying the formula:

C  +T→ D  +S→ E♭  +S→ E  +T+S→ G  +T→ A  +T+S→ C

This gives C, D, E♭, E, G, A — the C major blues scale. Like A minor blues, it uses just one accidental — the E♭ blue note — beyond what the parent C major key signature provides (which is no sharps or flats).

From the Major Pentatonic Scale

You can also derive the major blues scale by starting from the major pentatonic and adding one note:

The E♭ blue note is inserted between the D (the 2) and the E (the major 3). It is exactly the same E♭ that appears in the A minor blues scale — the two scales share five of their six notes. This is the same relative-major-and-minor relationship that connects A minor pentatonic and C major pentatonic, just extended to include the blue note. For more on the underlying pentatonic, see our pentatonic scale guide.

The Blue Note

The single note that makes the blues sound like the blues

Of all the elements that make up the blues scale, the blue note is the most definitive. Without it, you have a pentatonic scale — pretty, consonant, easy to play over chords. The blue note adds the characteristic simultaneously dark and bright colour of the blues.

Finding the Blue Note

In the minor blues scale, the blue note is the flat fifth — the ♭5. In A minor blues, that note is E♭, found between the D (the 4) and the E (the 5). In the major blues scale, the blue note is the flat third — the ♭3. In C major blues, that note is also E♭, but in this context it is between the D (the 2) and the E (the major 3). Same pitch, two different functions, depending on which form of the scale you are using.

Using the Blue Note

The blue note is not a stable scale tone. It is used to slide into a stable note (the 5 in minor blues, the 3 in major blues), or as the dissonant climax of a phrase that resolves elsewhere. Treating the blue note as if it were a stable note — ending phrases on it — produces a harshness that doesn't sound musical. Used the way blues players actually use it (briefly, as a colour, on the way somewhere else), it produces the unmistakable bluesy tension that defines the style. The best way to learn how to use the blue note is through listening.

The Microtonal "True" Blue Note

In vocal blues, in unfretted-string playing, and on instruments capable of pitch bending (saxophone is one), the original blue notes are not equal-tempered. They sit microtonally — somewhere between the major and minor third (a quarter-tone "blue third"), and somewhere between the perfect and flat fifth (a quarter-tone "blue fifth"). This microtonal flexibility is part of what gives the blues vocal tradition its expressive depth, and it is one of the things saxophonists can approximate by bending into and out of the equal-tempered ♭5 and ♭3 — sliding up to the 5 from below, or scooping into the major third from below the minor third.

Three Blue Notes, Not Just One

Some blues theorists identify three blue notes rather than just the famous ♭5: the ♭3 (the bluesy minor third heard against major chords), the ♭5 (the iconic minor blues blue note), and the ♭7 (the bluesy minor seventh that defines the dominant 7 chord at the heart of all blues progressions). All three are in tension with the underlying major-key chord progression of a typical 12-bar blues, and all three are what give the blues its sound. The ♭5 is the one most commonly meant when people say "the blue note", and it is the only one we add as the blue note in the minor blues scale — but the ♭3 and ♭7 have a similar microtonal function.

All 12 Minor Blues Scales — Reference Table

Every minor blues scale at a glance

The table below lists all 12 minor blues scales in circle-of-fifths order, showing the six notes in each scale (with the blue note highlighted), the formula, and the relative major blues scale. Filter by sharp keys, flat keys, or view them all together.

All 12 Major Blues Scales — Reference Table

Every major blues scale at a glance

The table below lists all 12 major blues scales in circle-of-fifths order. The blue note in the major blues scale is the ♭3 — different position from the minor blues scale's blue note, but often the same pitch when the two scales are relatives.

Notes of Each Minor Blues Scale

Every minor blues key, named and spelt out

The reference table above gives you all 12 minor blues scales in one place. Below is the same information in plain prose, with each scale named in both forms ("the A blues scale" / "the A minor blues scale" / "the scale of A blues") so you can find what you are looking for whether you arrived from a search for "the E blues scale" or "the C minor blues scale".

Notes of Each Major Blues Scale

Every major blues key, named and spelt out

Below is each major blues scale in plain prose. Each one shares five of its six notes with the relative minor blues scale above; only the tonic and the second/sixth degrees differ.

Recommended Listening

How the Blues Scale is Used

As an instrumentalist and blues improviser, your primary goal is to mimic the sound of the human voice when playing the blues. Finding a way to apply all of the little vocal inflections, melodic phrases and rhythmic devices to your instrument is the path to genuinely emotional and authentic blues playing. Learning how this rich and complex vocabulary relates to the teaching tool that is the blues scale will help you discover more authenticity in your playing. Below is an introductory list of recommended artists organised by blues genre for you to explore. Regardless of which type of blues you find yourself playing, listening to the broad church of the blues is recommended to broaden your musical understanding and improvisatory richness. These recommended artists only scratch the surface of the canon of incredible blues musicians.

Blues Scale for Saxophone

How to practise blues scales on alto, tenor, soprano and baritone saxophone

The saxophone has perhaps the deepest connection to blues of any instrument outside the guitar. Its range of pitch and tone colour helps the improviser to release the cry of the human voice. For any aspiring blues saxophone player, studying the pantheon of blues masters is essential work. By practising the blues scale and studying the work of the greats, you will learn how to apply the vocabulary of the blues idiomatically. Our transcriptions hub has many great transcribed solos for you to explore and learn. Eddie Cleanhead Vinson's Cherry Red Blues and Earl Bostic's Hurricane Blues would be good options to start with. If you are looking for bebop blues playing, we have transcribed two separate readings of Straight No Chaser by Sahib Shihab and Cannonball Adderley for you to study.

If some of these transcriptions feel technically out of reach for you, why not take a look at my book It Was A Sound: A Tribute to Johnny Hodges. The book features 12 easy original compositions based on the vocabulary and playing style of Johnny Hodges, which showcases a playable and practical application of the melodic options provided by the blues scale.

A brief reminder that the saxophone is a transposing instrument, so the blues scales you read and finger are written in a different key from the same scales played on a piano or guitar. We won't cover the mechanics of that here — for the full explanation including a live concert-to-written conversion tool, see our saxophone transposition chart. What this section covers is how to actually practise blues scales on saxophone: which keys to start with, the easy-blues-scales approach, and how to use the scales for real improvisation. For a broader walk-through covering all scale types on sax, see our saxophone scales hub.

Recommended Practice Order for Saxophone

Once you have a few major and minor pentatonic scales fluent, add the blues scales in roughly this order in written pitch (the pitch you read and finger). The order is the same whether you play alto, tenor, soprano or baritone — saxophone fingerings are identical across the family.

Start with: A blues (A minor blues — A, C, D, E♭, E, G), C blues (C minor blues — C, E♭, F, G♭, G, B♭) and G blues (G minor blues — G, B♭, C, D♭, D, F). These three are sometimes called the "easy blues scales" for saxophone because they use the most natural fingering combinations.

Then add: D blues, F blues, B♭ blues — the keys most often used in jazz and big-band repertoire when transposed to written pitch.

Finally: The remaining keys — E blues, B blues, F♯ blues, C♯ blues, G♯ blues, E♭ blues — which combine more accidentals with less familiar fingering combinations.

Blues Scale on Alto and Tenor Saxophone

The blues scale alto saxophone fingerings are identical to those on tenor saxophone, soprano and baritone — only the written and sounding keys differ between the horns. The blues scale tenor saxophone fingerings are likewise the same. The most comfortable starting blues scales for the alto saxophone in written pitch are A blues, C blues and G blues. For tenor, soprano and baritone players, those same fingerings produce different concert keys but exactly the same relative degree of comfort. The classic jazz blues key — concert B♭ — is read as G blues by alto players and C blues by tenor players, which is part of why C blues is one of the most-practised blues scales for tenor.

How to Practise the Blues Scale

Tips for technique, ear and improvisation

Blues scale practice has three goals — building technical fluency, developing the listening ear that hears how the melodic vocabulary of the blues relates to the blues scale, and learning to use the scale in real improvisation. All three deserve dedicated practice time.

Pair Each Minor Blues With Its Pentatonic Parent

Always practise A minor pentatonic immediately followed by A blues, then back. The only difference is the blue note. Drilling the pair side by side makes the addition of the blue note feel natural and gets your ear used to the chromatic motion 4 → ♭5 → 5.

Insert Vocabulary

When learning to improvise, the most important thing to do is acquire a vocabulary. Learn to play a specific phrase taken from a transcription. Alternate between improvising with the blues scale and playing the memorised line. This will help you to absorb, deploy and ultimately re-imagine the phrase in your own improvisations.

Why Beginners Should Not Use a Metronome

Blues practice has two distinct activities — drilling the scale up and down to learn the notes, and improvising. A metronome is unhelpful for both at the beginner stage. For scale-drilling, the goal is even tone, even rhythm and clean transitions, all governed by a relaxed embodiment of technique; trying to keep up with a click before the notes feel fluent introduces tension and rushed phrasing. Only once the scale is genuinely fluent and you are comfortable playing through a 12-bar blues backing does a metronome become a useful tool. Until then, leave it off. Our free online metronome is built for that later work.

Practise the Blue Note Wisely

Listen to how the greats played microtonally with blue notes. Study and copy their individual approaches. On saxophone, you can bend the blue note upwards using glissandi - lifting off the fingers very slowly to achieve a pitch bend. Do not use your embouchure to do this. Practise this bend slowly — start the note as a clear E♭, then bend up to E. The bent blue note is what gives saxophone blues its expressive vocal quality.

Mix Major and Minor Blues

Once both forms are fluent in the same key, alternate them mid-phrase. Over an A7 chord, play a four-note phrase from A minor blues, then a four-note phrase from A major blues. The combined nine-note collection (the major-minor blues sound) and how it sounds in harmonic context offers just some of the palette of tone colours available to the improviser.

For one-to-one help with blues improvisation, jazz soloing, or saxophone tone development through blues practice, saxophone lessons are available in person in South East London and online. Book a lesson to get started.

Printable Blues Scales PDF

Free download for every saxophone

Below is a free printable scale chart covering all 12 minor blues scales and all 12 major blues scales in written pitch — the pitch you read and finger on the saxophone. Print at A4 or US Letter size and keep it on your music stand. Because saxophone fingerings are identical across alto, tenor, soprano and baritone, this single PDF works for every saxophone in the family. For other scale types as PDFs, see the dedicated pentatonic, major scales and minor scales pages.

The PDF is completely free — no email signup required. If you find it useful, consider sharing this page with a fellow musician or teacher.