In plain words
Over a minor ii–V Barry does not reach for a separate minor scale; he runs a dominant scale. For G half-diminished to C7 he plays E♭7 down to the third of C, and in the 1998 workshop he says that this is F harmonic minor. Thinking of it as E♭7 means, as The Labyrinth of Limitations points out, that the dominant-scale exercises (half steps, pivots and the rest) carry over.
The 1998 workshop, part 30:001:13Scales on Indiana in A-flat, part 13:33Little Labyrinth 59: Making Connections with Barry Harris’s Teachings7:007:32
He also practised the harmonic minor itself, with his rules. In the 1998 workshop the class ran F harmonic minor down with one added half step, starting from each degree in turn: from the tonic it sounds like F minor, from the second like G half-diminished to C7. Barry said the rules make the scale more inviting than the bare harmonic minor.
The 1998 workshop, part 2: breaking the habit2:543:315:2411:31
For a tonic minor chord the scale is the minor sixth diminished scale: the major sixth diminished scale with its third flattened. Barry pointed out that it contains the harmonic minor plus one more note, the sixth, which classical musicians used less but jazz needs. Students’ notes run it only up to the sixth when a minor chord gets a one-bar ‘up’.
Introducing the sixth diminished scale4:064:395:15My Chat With Chris Parks From Things I Learned From Barry Harris20:29Frédéric Galliano, Notes on the Method of Barry Harris ¶134jazzguitar.be members (usernames kept per post), Official Barry Harris Thread (jazzguitar.be forum thread) ¶2339
Chris Parks, who runs the ‘Things I’ve Learned From Barry Harris’ channel, sums up Barry’s outlines as three scales: major, dominant, and for a real minor the minor sixth diminished. Harmonic minor came up sometimes; melodic minor never appeared in a scale outline, though Barry did not say you shouldn’t know it.
My Chat With Chris Parks From Things I Learned From Barry Harris19:5620:2921:01
Step by step
Minor ii–V: take the dominant a minor third above the V (the one whose third is the root of the half-diminished chord), run it down from its seventh, and end on the third of the V instead of the tonic.
G half-diminished to C7: E♭7 down to the third of C- D♭
- C
- B♭
- A♭
- G
- F
- E
Scales on Indiana in A-flat, part 10:013:33Tom Cleary (University of Vermont), What is this scale called: Charlie Parker ¶4
Those seven notes are the F harmonic minor scale. Played in eighth notes from the beat, the notes on the beats (D♭, B♭, G, E) spell a diminished seventh chord, which works as a rootless C7♭9.
The 1998 workshop, part 31:13Tom Cleary (University of Vermont), What is this scale called: Charlie Parker ¶5
Barry’s fuller version starts on the tonic of E♭7 and adds one half step between the tonic and the seventh, so that E♭ is heard as well as D♭.
E♭7 from the tonic, one half step, down to the third of C- E♭
- D
- D♭
- C
- B♭
- A♭
- G
- F
- E
Tonic minor: the minor sixth diminished scale, which is the harmonic minor with the sixth added.
F minor sixth diminished scale- F
- G
- A♭
- B♭
- C
- D♭
- D
- E
Introducing the sixth diminished scale4:39My Chat With Chris Parks From Things I Learned From Barry Harris20:29Frédéric Galliano, Notes on the Method of Barry Harris ¶134
As students write it for an outline, a one-bar minor ‘up’ climbs this scale only as far as the sixth, leaving out the seventh.
F minor up (students’ rule)- F
- G
- A♭
- B♭
- C
- D♭
- D
Frédéric Galliano, Notes on the Method of Barry Harris ¶134jazzguitar.be members (usernames kept per post), Official Barry Harris Thread (jazzguitar.be forum thread) ¶2339
an added note, outside the scale
How he said to practise it
Run F harmonic minor down with one added half step between the tonic and the seventh, then start from the second, the third and every other degree, moving the added note each time; listen for the F minor and the G half-diminished to C7 sounds.
Know the basics: all your minor arpeggios, all your diminished chords, all your triads. Barry listed these right after the E♭7 example.
In Barry’s words
Each one plays from the moment he says it. Every other moment he teaches it is listed below.
E flat 7 down to the 3rd [of] C is F harmonic minor.
It includes the harmonic minor scale, see, it includes the harmonic, except it’s got one more note than the harmonic minor scale.
Classical musicians didn’t use that six quite as much as we use it.
The first one is an F minor. The second one is G half diminished to C7.
Where this comes from
Everything above is drawn from these. Open any one to check it.
Every moment he teaches it9 moments in 4 recordings
Each time opens the transcript there; the video plays when you are online.
The 1998 workshop, part 3
Scales on Indiana in A-flat, part 1
The 1998 workshop, part 2: breaking the habit
- 2:54
F harmonic minor coming down with one added half step, from each degree.
- 5:24
From the tonic the rule sounds F minor; from the second, G half-diminished to C7.
- 9:43
Which notes of F minor fall on the beat when you come down the scale.
- 11:31
The rules make F harmonic minor more than just a harmonic minor scale.
Introducing the sixth diminished scale
- 4:39
Minor sixth diminished scale: flat the third; harmonic minor plus the sixth.
From the lessons2 lessons, 9 points
Notes taken from Barry’s classes, each tied to the moment it comes from.
Rules matter more than scales: play each rule from every degree
- Idea
Barry told his classes that the rules are more important than the scales, and that they must become second nature. His method: state a rule (for example, one added half step between two particular notes), pick a scale, and play the rule from each degree of that scale. Doing that, he said, is how you really learn.
The 1998 workshop, part 2: breaking the habit0:0019:43The 1998 workshop, part 335:23
- Exercise
In F harmonic minor, add one half step between the tonic and the seventh and play the descending scale in time after a count-off. Then start from the second (the extra note now falls between the second and the tonic), then from the third, and so on through every degree. Listen to how each starting point gives a different chord sound: from the tonic it is F minor; from the second it is G half-diminished going to C7.
The 1998 workshop, part 2: breaking the habit2:142:543:315:24
- Exercise
When you run a scale down, the added half step can go after any note that falls on the beat. In C major from the top, C, A, F and D land on the beat; in F harmonic minor, F, D-flat, B-flat and G do. So you could choose, say, to put the half step between the fourth and third of F minor. Barry said rules like this make a scale sound more inviting, turning F harmonic minor into more than just a scale.
The 1998 workshop, part 2: breaking the habit9:4310:1610:5711:31
- Exercise
The rules work going up too. Barry started to switch to a diminished scale on B but stopped himself, saying he was changing too quickly. The class then played up from tonic to tonic with one half step added between the tonic and second, then between the second and third, then the third and fourth, and so on, until one was needed between the seventh and the top (E and F, which fits the F minor scale they had been using). Later he reminded the class that a diminished scale has eight notes.
The 1998 workshop, part 2: breaking the habit12:0512:5126:33
- Exercise
Rules can add more than one note. In F minor, go from the tonic up to the minor third with two half steps added, then do the same from the next degree, where Barry said one has to go between G and A-flat. A bigger version: in C major go from C up to G filling every gap: D-flat between C and D, E-flat between D and E, G between E and F (already a half step apart), F-sharp between F and G. Then play it in time.
The 1998 workshop, part 2: breaking the habit14:2815:1019:4320:31
- Exercise
Anything you can do, Barry said, you can do from any degree to any degree. One example: in C major, go up two half steps from the fifth and then come down the chord. Another: go chromatically from the fifth up to the major seventh, then come down the chord. Pick the rule, then apply it on each degree of the scale.
The 1998 workshop, part 2: breaking the habit18:0229:5130:24
The minor sixth diminished scale and its diminished partner
- Idea
To make the scale minor, play exactly the same scale and flatten the third: C D E-flat F G A-flat A B. Barry notes that it contains the harmonic minor scale plus one more note, the sixth (A natural), which jazz needs. Classical musicians, he says, used the sixth much less, mostly as an added note, but here it belongs to the scale.
- Idea
Each minor sixth chord pairs with one diminished chord, and you must know which one immediately, without working it out from a major seventh. Asked for B-flat minor 6, you should answer A diminished (A, C, E-flat, F-sharp); G minor 6 goes with F-sharp diminished. Barry showed F minor 6 and G minor 6 each with its diminished partner, sometimes starting from the diminished chord on top, and noted that Chopin sometimes used this sound.
Borrowed diminished notes on All the Things You Are6:487:20Practising the sixth diminished scales3:013:36
- Exercise
Play B-flat minor with the sixth in the bass. Then take a note of the chord, borrow the diminished note just below it, and hit the chord again.
Borrowed diminished notes on All the Things You Are7:20
In writing7 notes
What his interviews, his students’ class notes and other teachers’ articles add.
Remembers Barry saying that you can get locked into the harmonic minor without much to play on it. He spent almost no time practising harmonic minor yet plays its sound all the time, because Barry taught it as a change to the dominant scale, which makes it come out right on secondary dominants.
jazzguitar.be members (usernames kept per post), Barry Harris’s opinion of harmonic minor scale? ¶26jazzguitar.be members (usernames kept per post), Barry Harris’s opinion of harmonic minor scale? ¶30
Suggests Barry said little about harmonic minor as such because its notes are all inside the minor sixth diminished scale, his scale for minor tonality and for altered dominants. Another student adds that Barry gives the sound as a changed dominant scale, e.g. G7 to the third of E7.
jazzguitar.be members (usernames kept per post), Barry Harris & Wes Montgomery (jazzguitar.be forum thread) ¶488jazzguitar.be members (usernames kept per post), Barry Harris & Wes Montgomery (jazzguitar.be forum thread) ¶491
For Bm7♭5 to E7 (minor ii–V in A): one bar is G7 down from its seventh to the third of E7; two bars is G7 up and down to the third of E7. G7 and E7 lie a minor third apart.
jazzguitar.be members (usernames kept per post), Barry Harris & Wes Montgomery (jazzguitar.be forum thread) ¶313jazzguitar.be members (usernames kept per post), Barry Harris & Wes Montgomery (jazzguitar.be forum thread) ¶314jazzguitar.be members (usernames kept per post), Barry Harris & Wes Montgomery (jazzguitar.be forum thread) ¶315
Teaches Barry’s minor ii–V as one seventh scale a major third below the ii root, ‘E♭7 up and down to the 3rd of C’. It suits the half-diminished chord without stressing its root, and he hears its second half, ‘seven down to the third’, in Charlie Parker’s solos.
Tom Cleary (University of Vermont), What is this scale called: Charlie Parker ¶4Tom Cleary (University of Vermont), What is this scale called: Charlie Parker ¶5Tom Cleary (University of Vermont), What is this scale called: Charlie Parker ¶6
Mapping rules in his notes on the method: a tonic minor chord takes the minor sixth diminished scale up to the sixth, without the seventh; IIm7♭5 to V7 takes the dominant scale on the VII running to the third of the V.
A student working from Howard Rees’s DVD describes the basic minor outline with a minor scale that has both sixths and no seventh, run up and down on the tonic minor, with dominant scales on the ii–V.
jazzguitar.be members (usernames kept per post), Official Barry Harris Thread (jazzguitar.be forum thread) ¶2323jazzguitar.be members (usernames kept per post), Official Barry Harris Thread (jazzguitar.be forum thread) ¶2325
Says he taped Barry’s early-1990s West Coast workshops; reports that Barry called the minor ii–V scale ‘the minor’s five’, learned down from its seventh to the third of the V, and argues it keeps chord tones on the beats where harmonic minor’s fifth mode does not. Another player gives it over Dm7♭5–G7♭9 as B♭7 down to G’s third.
jazzguitar.be members (usernames kept per post), The Barry Harris scale for ii V in Minor (jazzguitar.be forum thread) ¶3jazzguitar.be members (usernames kept per post), Barry Harris’s opinion of harmonic minor scale? ¶40jazzguitar.be members (usernames kept per post), Barry Harris’s opinion of harmonic minor scale? ¶43jazzguitar.be members (usernames kept per post), Barry Harris’s opinion of harmonic minor scale? ¶46jazzguitar.be members (usernames kept per post), Barry Harris’s opinion of harmonic minor scale? ¶49
How other teachers explain it6 videos, 7 series episodes
Barry’s students, and their students, teaching it their way. A second opinion, not Barry.
- My Chat With Chris Parks From Things I Learned From Barry Harris
Barry’s outlines use three scales; minor sixth diminished for a real minor, never melodic minor.
62 min, transcript On YouTube
- Little Labyrinth 59: Making Connections with Barry Harris’s Teachings
Minor ii–V as E♭7 into the third of C: nearly F harmonic minor, but with all the dominant-scale tools.
11 min, transcript On YouTube
- TILF Barry Harris Episode 29 Half step rules for Harmonic Minor
Episode 29: half-step rules for harmonic minor.
14 min, transcript On YouTube
- Barry Harris Minor Half Step Rules
Barry’s minor half-step rules.
17 min On YouTube
- Jazz Mandolin Instruction Barry Harris Tonic Minor Pete Martin
Mandolin lesson on the tonic minor.
9 min On YouTube
- Jazz Mandolin Instruction Barry Harris Melodic Minor Scale Pete Martin
Mandolin lesson on the melodic minor scale.
12 min On YouTube
In the teaching series
Episodes on this idea in the long series by other teachers. Each name opens that whole series in order.
Where the accounts differ2 points
In the 1998 workshop Barry himself calls E♭7 down to the third of C ‘F harmonic minor’. Chris Parks and Christian Miller remember him presenting such lines as one dominant scale running into the next (C7 into A7, G7 to the third of E7) rather than as harmonic minor.
The 1998 workshop, part 31:13My Chat With Chris Parks From Things I Learned From Barry Harris21:35jazzguitar.be members (usernames kept per post), Barry Harris & Wes Montgomery (jazzguitar.be forum thread) ¶491
A 2010 Tokyo workshop video has a chapter titled ‘real minor = jazz melodic minor’, and the Japanese interpretation there describes Barry’s ‘real minor’ as melodic minor, the same going down as up. Chris Parks says melodic minor never appeared in Barry’s outlines. A forum player who offers ascending melodic minor for a tonic minor says he got it from another teacher, not from Barry.
Piano and vocal classes: real minor, six against four0:00My Chat With Chris Parks From Things I Learned From Barry Harris20:29jazzguitar.be members (usernames kept per post), Official Barry Harris Thread (jazzguitar.be forum thread) ¶2339jazzguitar.be members (usernames kept per post), Official Barry Harris Thread (jazzguitar.be forum thread) ¶2343
Read further3 links
These open on the web.
Books and paid courses
- jazzguitar.be ‘Barry Harris’s opinion of the harmonic minor scale’ (tritone’s minor, ‘minor’s five’)
players quoting Rees workbook — Free forum debate on Barry and the harmonic minor, with the ‘minor’s five’ and the tritone’s minor.
- Frederic Galliano, Notes on the Method of Barry Harris (HTML + PDF, updated Jan 2026): scale exercises, chromatic scale, Parker ideas, families, 4 chord scales, moving in fourths, 5-4-3-2, half-step tables, important arpeggios, scale outlines of blues/rhythm/Cherokee/Donna Lee/How High the Moon/Night in Tunisia
attendee-of-videos notes (from Chris Parks’ TILF + Labyrinth + Kingstone) — Free notes with the tonic-minor rule, the minor ii–V rule and the harmonic-minor half-step table.
- The Barry Harris Workshop Video Part Two, Howard Rees: ~4h15, 156-page workbook; chapters Improvisation (49 sections), Rhythm Section (17), Harmony (41)
Barry himself (produced and transcribed by Howard Rees) — Barry’s second workshop video (paid), which includes F harmonic minor run with his rules.