Tag Archives: modes of major

the “dominant shape” – part 1: major and melodic minor

A multifaceted structure

The “dominant shape” is extremely versatile. It can be used to voice chords that are derived both from major harmony, and from melodic minor harmony. The degrees on which each chord mentioned here functions are indicated in the captions below each example. Some of those chords work better in modal contexts (or when one has a vertical approach on each particular chord within a tonal context), and some also sound fitting in various tonal contexts. Let your ear be your guide!

Transposable formulas (specific arrangements of chord tones and tensions, e.g. “3 13 b7 9”) are also given in the captions for each chord (in each caption, position B is listed first and position A second to be consistent with the music notation). By position A/B, it is meant “dominant shape (voicing used for the V chord) extracted from the major II-V-I progression in position A/B.”

The dominant shape is comprised of the following intervals (listed from the bottom to the top of the voicing): major third, major second, perfect fourth in position A / perfect fourth, minor second, major third in position B.

Use cases

The mixolydian (dominant) chord is listed first, since it is, naturally, the one from which the thought of using the dominant shape to play other chords comes from. Then we have the altered chord, and it is interesting to note that there is a sub V (tritone substitution) relationship between the mixolydian and the altered dominant chords. Eb7 and A7alt, for example, indeed share the same guide tones (G and Db/C#), and their roots are indeed a tritone apart. As a result, one chord can be substituted for the other following the tritone substitution rule.

Works on degrees: V (major), IV (melodic minor).
Position B: 3 13 b7 9; Position A: b7 9 3 13.
Works on degrees: VII (melodic minor).
Position B: b7 #9 3 b13; Position A: 3 b13 b7 #9.

I have then chosen to list the locrian and minor 6/9 chords, since they are also widely used. In fact, a minor II-V-I can be played entirely using the dominant shapes presented here (e.g. Emi7(b5) = E A Bb D, A7alt = G C Db F, Dmi6/9 = F A B E).

Works on degrees: VII (major), VI (melodic minor).
Position B: 1 11 b5 b7; Position A: b5 b7 1 11.
Works on degrees: I (melodic minor), II (major).
Position B: 6 9 b3 5; Position A: b3 5 6 9.

Next up are the lydian and phrygian sounds, which also come in handy, albeit arguably more sporadically than the ones mentioned previously.

Works on degrees: IV (major), bIII (melodic minor).
Position B: #11 7 1 3; Position A: 1 3 #11 7.
Works on degrees: III (major), II (melodic minor).
Position B: 5 1 b9 11; Position A: b9 11 5 1.

The mixolydian b13/aeolian sound is probably the least common of all (moreover, it is rather tricky to find an adequate chord symbol for it, so the space has been left blank).

Works on degrees: V (melodic minor), VI (major),
Position B: 9 5 b13 1; Position A: b13 1 9 5.

Finally, if the same voicing (G C Db F in position B / Db F G C in position A) were to be played over an Ab root (tonic of the Ab major scale), the “avoid note” Db might stand out and create havoc, particularly in a tonal context… In a modal/vertical context however, the voicing can be used and sounds quite unique and intriguing.

Practice tip

Internalize both shapes by taking them through the cycle of fifths (using different roots in the left hand for example; that way you’ll get the different sounds described above). It’s fine if you have to think about the formulas at first, but try and gradually shift towards using your ears and muscle memory exclusively. It is without question a challenging exercise… But trust yourself in the process: it will be way more fun!

how to practice and internalize modal colors

If you’ve ever had a go at analyzing a standard and/or figuring out what scales to use on each chord, the question “So, what exactly is the deal with modes?” might have popped up in your mind. This very question certainly did arise recently during an online conversation I was having with a student of mine, who further developed his concern: “In the key of C for example, all of the modes are made up of the exact same notes (the white keys on the piano)… So why bother learning them!?” That is indeed a good question…

As musicians, we have to remember, and above all experience, that each mode has a distinctive flavor, or color, and conveys a particular mood or feeling. A mode’s particular color is conferred to it by the specific arrangement of intervals within the mode, and the resulting relationship each tone in the mode bears with its tonic. Some tones play a more important role than others in giving a mode its unique color. We call them “characteristic notes.” So let’s have a look in more detail at each mode of the major scale, and see if we can figure out what the characteristic note(s) are for each of them.

The modes of the major scale above are ordered from the brightest or most “major sounding” (Lydian’s intervals are all major or augmented, with the exception of the perfect 5th), to the darkest or most “minor sounding” (Locrian’s intervals are all minor or diminished, with the exception of the perfect 4th). The root C being common to all seven modes, it is not considered a characteristic note (or part of a pair of characteristic notes) for any mode. In order for you to hear the different modal colors, I recorded seven short improvisations on the piano (one for each mode) over a C drone (the tonic, common to all seven modes, played in octaves in the left hand).

  • Lydian is the only mode that has #4, which is hence the sole characteristic note for this mode. This first snippet is in C Lydian (otherwise known as mode IV of the G major scale):
  • Now, when we lower #4 (F#) to 4 (F), we get the Ionian mode.

  • Ionian and all subsequent modes have 4, but Ionian is the only mode that has the pair 4 & 7, which are characteristic notes for this mode. The short improvisation below is in C Ionian (aka mode I of the C major scale):

  • Lowering 7 (B) to b7 (Bb) gives us the Mixolydian mode.

  • Mixolydian and all subsequent modes have b7, but Mixolydian is the only mode that has the pair 3 and b7, which are the characteristic notes for this mode. The improvisation below is in C Mixolydian (mode V of the F major scale):

  • Lowering 3 (E) to b3 (Eb) gives the Dorian mode.

  • Dorian and all subsequent modes have b3, but Dorian is the only mode that has the pair b3 and 6, which are the characteristic notes for this mode. The improvisation below is in C Dorian (mode II of the Bb major scale):

  • Lowering 6 (A) to b6 (Ab) gives the Aeolian mode.

  • Aeolian and the remaining two subsequent modes have b6, but Aeolian is the only mode that has the pair b6 and 2, which are the characteristic notes for this mode. The improvisation below is in C Aeolian (mode VI of the Eb major scale):

  • Lowering 2 (D) to b2 (Db) gives the Phrygian mode.

  • Phrygian and the last remaining subsequent mode both have b2, but Phrygian is the only mode that has the pair b2 and 5, which are the characteristic notes for this mode. The improvisation below is in C Phrygian (mode III of the Ab major scale):

  • Finally, lowering 5 (G) to b5 (Gb) gives the Locrian mode.

  • Locrian is the only mode that has b5, which is hence the sole characteristic note for this mode. The improvisation below is in C Locrian (mode VII of the Db major scale):

  • Lowering the root by a semitone would give the Lydian mode, but this time constructed with the note B as the new tonic (down a semitone from C). We could go through the same cycle again, outlining all seven modes from the brightest to the darkest, based on B as the new modal center if we wanted to… But by now, I’m sure you got the point!

    Practice tips

    Just like I did for the recordings above, spend some time with each mode, improvising with it in free rhythm (no regular pulse necessarily needed here). You can explore melodic ideas in the right hand while holding down two Cs an octave apart in the left hand (the drone). Spend 5 to 10 minutes (or more) with a particular mode during each session, and practice different modes based on different tonics every day. Eventually, all 7 modes in all 12 keys (84 in total!) should become familiar musical terrain, but take it easy… day by day and one step at a time! The goal is to internalize them deeply, and fully assimilating one mode in one key will help you assimilate other modes (in the same or different keys) faster.

    Then of course, you can start applying them in the context of tunes. Modal jazz tunes such as So What, Impressions, Cantaloupe Island, etc. are a great starting point because they usually feature a slow harmonic rhythm (the same chord spanning a large number of measures) and few different modes/tonic centers. John Coltrane’s Naima is also a great choice with plenty of beautiful modal colors. The harmonic rhythm is faster with this tune though, so take it step by step (1 or 2 bars at a time) and extend the harmonic rhythm if necessary (i.e. play several bars of the first chord, the same number of bars of the second chord, and make a loop out of the two-chord progression; then repeat with the next couple of chords and so on!).

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