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Phrygian
Dominant / Spanish Guitar Scale
The Spanish scale (also
called Phrygian dominant)
is seen (or heard rather!) as a more exotic scale by "western" musicians and listeners,
but it's a natural mode of the harmonic minor scale,
and is a staple
scale in flamenco music. As soon as you hear it, you get that
distinctive flamenco flavour. It's also a large part of Arab and Jewish
musical tradition. In modern times, rock and heavy metal have borrowed
it for its intense, unstable sound.
As
a harmonic aid, this scale clearly has universal qualities. You'll
learn exactly what those qualities are, in your own way, as you
experiment with the scale.
When playing the Spanish scale on guitar, like any other scale, you can
play both "boxed" and wider patterns across the fretboard. We'll start
with the basics and theory (important!) before moving on to expand
across the guitar neck to free up our finger movements. Later, we can
try out our ideas over some backing tracks.
Spanish
scale basics & theoryAs I mentioned in the intro, the Spanish scale
is also known as Phrygian dominant. You may already know about the
minor Phrygian mode/scale, but if not, I recommend first taking that
lesson right here.
Phrygian dominant is exactly the same as minor Phrygian, except for one tone - the 3rd.
Whereas Phrygian has a minor
3rd (making it a minor scale), Phrygian dominant has a major 3rd (making it
a major scale).
Let's compare the two on the fretboard using their "boxed" patterns:
Phrygian Minor (b3 = flat/minor 3rd)

Phrygian Dominant (3 = major 3rd)

 This means that the Spanish scale (Phrygian dominant) will work over major chords (although not in every circumstance. More on this later).
If you're struggling with the fingering for that boxed pattern above, this diagram may help:

Using it over chords...
Musicians tend to see Phrygian dominant as having more harmonic tension
than minor Phrygian, so
the backing musician may replace instances of a minor chord with major,
in order to emphasise the use of Phrygian dominant in place of its minor
equivalent.
Let's listen to a couple of simple chord progressions to see how using
major instead of minor makes the Spanish scale a more natural tension to use.
Am Em Am Hear example >
Am E Am Hear example >
The first progression used E minor before returning back to the A minor
starting chord,
so we'd typically use minor
Phrygian over E minor.
The second progression used E major before the same return back to A
minor, so we'd typically use major/dominant
Phrygian over E major.
Now, I'm not saying we'd never
want to use the first example, but it's generally considered that the
use of E major and,
therefore, dominant Phrygian with the major 3rd, as in the second
example, has a more effective tension before resolving to A
minor. It's less ambiguous and holds more harmonic weight than minor.
If in doubt, use your
ears!
Of course, the Spanish scale doesn't have to be applied in the context
of the example above. It's simply just another major scale that can be
played over major chords. However, you must use your best judgement
when deciding which major scale to play over which major chord. Don't
just use it because it's an interesting new scale you've learned -
think about context.
The big Spanish scale pictureJust
like in the other guitar scales lessons, let's expand that basic boxed
pattern to include more fretboard space. This allows us to use lead
techniques such as slides, hammer-ons/pull-offs, tapping, and wider
fingering patterns.
The
Spanish scale is great for runs, and being able to play 3 or more notes
per string will really loosen up your fingers for more elaborate
phrases/sequences.
First, let's expand the boxed pattern either side for more coverage.
 That low E string root note marks the 1st note of the boxed pattern from earlier. The major 3rd and 5th
tones have also been highlighted for reference as these, along with the
root note, are considered "safe" resting points within your Spanish
scale phrases. To begin with at least.
See, because the root, 3rd and 5th are the essential tones that make up a basic major triad,
the other notes of the Spanish scale (in yellow) can be seen as
"dressing", or passing tones, to give more flavour to that major sound. Dressing?
Flavour? Admittingly, this is starting to read more like a cookery
website, but hopefully you get my point!
By widening our
pattern, we can now use techniques such as slides, wider
hammer-ons/pull-offs or tapping etc. In other words, you're free to
move around more intuitively and find those hooks without being physically restricted to that rather cramped boxed pattern.
Below
are a couple of exercises that make use of the wider pattern. We're
going to play in the same key as the diagram above. The root note tells
us the key, and the root notes above are positioned on the note B:

Try also playing more than one string at a time from the scale to create lusher phrasings:

As
you move up the fretboard, the fret spacings get narrower, which allows
you to span much wider intervals per string. More on this kind of
playing in a separate lesson!
Many guitarists find it most
convenient to play scale phrases around chord shapes. This means that you play
the scale around the same root note string as you would for the chord
you're playing over.
For example, many chord shapes use the A string as
the bass root note, so it's good to learn a basic pattern around that
same root note position. It's effectively like superimposing the scale over the chord shape...
B7 chord

B Spanish Scale

Let's finally add that A string root pattern to the wider pattern from above:

Now we have something we can really work with! For example, if the backing chord was C# major, and you know your barre chord shapes, you'll know that we can form a C# major chord with an A string root note.
Therefore, if you know the pattern above, you can simply start your
solo by playing the scale around that same root/chord shape position, and work
out from there into something more elaborate.
That's just one way to do it. Experiment.
Spanish scale backing tracksI
mentioned earlier that not every instance of a major chord will be
appropriate for using the Spanish scale. There are certain chord
progressions you will begin to hear as being naturally compatible with the Spanish scale.
Try the below track to start with. It's in the key of F# major, so you can use F# Spanish scale over this track. For reference, F# has a low E string root note at fret 2 and fret 14 (its octave), and an A string root note at fret 9.
Using your knowledge from above, practise using both the boxed and
unboxed scale patterns. Just get a feel for that distinctive flamenco
sound that the Spanish scale compliments so naturally.
Click to download/hear the F# major backing track >
Below is another
backing track written for using Phrygian and the Spanish scale. It's in
the key of E, so you can play the Spanish scale over the E chord when
it starts. However, when the chords change, some notes in
the scale may become incompatible. In this case, it's just the major 3rd that should be an avoid note on chords other than that starting E chord.
Here's an example of what you could play over the backing track, with the chord sequence mapped out:
| Chord Sequence | E | F Am | E | Am G F | E | | Compatible Scale | Spanish | Minor Phrygian | Spanish | Minor Phrygian | Spanish |
So both Spanish and Minor Phrygian would be played in the key of E,
as the chords are part of that same modal sequence in the key of E. It's just the major
3rd which causes the incompatibility with the other chords, because
we've effectively replaced E minor with E major as the dominant chord
in this sequence.
Since we're in the key of E, we'll need an E root note.
Using your knowledge from the patterns earlier, you should be able to
move it into the E position. For example the low E string root note
would now be at fret 12 and open. The A string root note would be at fret 7
etc.
OK, ready? Only when you're ready...
Download/play the E Spanish Scale track here >

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