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Dorian Mode
Dorian Mode on Guitar
Just like in the previous lesson, before we look at applying the Dorian mode
on guitar, there's just a little theory to understand, so bear with me!
Dorian is the second mode as it begins on the second note of Ionian/major
scale. When using the Dorian mode on guitar, you'll see it naturally works
over minor chords and certain minor key progressions. Let's first take a
look at the intervals of Dorian.
Intervals of Dorian
1 W 2 H
b3 W 4 W
5 W 6 H b7
W 8(1)
Hear
it (B Dorian) >
Don't know what the W's and H's
mean? If so, take the intervals
lesson here before you go on.
So we can see that Dorian has a flat 3rd and flat 7th.
The flat 3rd creates a minor 3rd interval between the root (1st) and
3rd note. Why do we say it's flat? Because it has been lowered from its
natural position in the Ionian/major scale by a half step, the equivalent
of one fret.
The flat 7th, just like the flat 3rd, is so-called because it has been
lowered by a half step from its natural, major 7th position in Ionian.
Everything is notated against Ionian's original positions.
Just like in the Ionian lesson, let's listen to a few key interval movements
so we can get our ears accustomed to Dorian's sound.
In each of the examples below, I'm using the key of A followed by B
and finally C#. You don't need to pick up your guitar yet, just get to
know the interval sounds. If you want, however, you can use just a single string
to map out the intervals and get to know them. For example, use the open G
string and map out the half steps and whole steps along that one string.
Root-3rd-Root interval: Click to hear >
The minor 3rd is what gives Dorian its minor flavour. Hear how, although I
change the key of the interval, the interval sound/flavour is identical.
Root-3rd-5th-7th-6th-4th-Root interval: Click to hear>
Dorian's use of the 6th in addition to the minor 3rd flavour gives it a
unique character, which most musicians identify as a "jazz flavour".
Soon, you'll be able to experiment with this 6th and see how it adds to the
depth of minor chords.
As with Ionian, the root defines the key you're playing Dorian in. So, if the
root note lied on note C# (C sharp), the scale would be C# Dorian.
Know where all the root notes lie on the fretboard? If not, this
lesson will help.
Dorian mode on guitar
In each of these mode lessons we're first looking at the "boxed"
shapes, where the scale pattern spans just 4 or 5 frets. Here's the boxed
pattern for Dorian on guitar:

So there we have the 7 tones of Dorian mapped out across 6 strings, spanning
over 2 octaves. This kind of boxed pattern allows us to skip around the notes of
the scale without too much movement. Eventually, you'll want to break out
of that box, but for now let's keep things straight forward.
See how the 7th has been moved down from its original position in
Ionian/major and is now a whole step down from the root/octave.
The other intervals simply haven't moved from their Ionian positions!
Let's try the intervals from earlier over this boxed pattern. Use the diagram
below for fingering reference.

There's a step in the pattern at the 6th interval which means you'll need to
think about your finger position. For example, if you're moving from A string
4th to D string 6th, you might need to adjust the fingering above so you're not
using the same finger for two consecutive notes/strings in a sequence.
Playing Dorian over chords
Dorian is based on the minor triad - root (1st), flat 3rd and 5th. Strip the
Dorian boxed scale above to its minor bones and this is what we're left with...

Playing around with just those tones will build up the picture of a minor
chord and can be used as a minor arpeggio when you come to use them.
All the remaining notes are simply extensions of that basic minor triad - the
addition of the 4th, 6th, flat 7th and 9th. The addition of the flat 7th creates
the flavour of a minor 7th chord.

With Dorian, the 6th is the only real "tension" note. You
can hear this when the 6th is held over a minor chord.
Hear the 6th being held over a minor chord >
As mentioned earlier, jazz makes common use of this 6th on minor chords. The
tension of the 6th is not so great that you can't hold it for lengthy periods
(unlike the 4th in Ionian), but it is often used as a passing tone (a
note used as a bridge between 2 stable tones in the scale).
Personally, I think the 6th can sound great as a landing note. This
means you would apply the 6th when changing chord back to minor.
So the 6th has a dual personality, as both a passing tone and held tension,
so you need to get to know it well and experiment with applying it in different
contexts. It's up to you!
Dorian jam tracks
Experiment with Dorian over the D minor backing track below. Based on
what we've learned in this lesson, try different interval movements and using
the 4th as a passing tone. Try using different landing notes for when the
chord changes back to C major.
First, let's get to know how each of the notes of Dorian add to a basic minor
backing chord. Use the D minor backing track below to identify the sound each of
the tones in Dorian produces.
Download the D minor backing track >
The real flavour of Dorian can be discovered when playing over chord changes.
In the next backing track, we're going to be looking to highlight the D minor
chord but this time in a larger progression with other chords.
So, at this stage, you simply identify the chord you want to highlight using Dorian, which
is in this case D minor, and use the other chords as a journey between. In other
words, D minor is "home" and the other chords provide some movement to
enhance the return "home". Dorian can be used to add more depth and meaning to
that return home.
However, in this example, D Dorian will still work over the other chords, because they are
part of the same modal scale. More on this in the final lesson of this series,
but for now, just focus on highlighting the D minor chord with Dorian. Lead up
to it using phrases through the other chord changes. Experimenting with landing
notes on D minor are what's important here.
Remember, we're in the key of D minor so we need the root note of
Dorian positioned on D. On the low E string root note, that's fret 10.
So when you're ready, download the D Dorian jam track here and use the diagram below to experiment with Dorian's tones:

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