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Now, the Minor 7 Scale.
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This is sometimes called the Dorian scale.
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Again, don't worry about why for
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now, but you will come across this term
in Jazz books so it's worth mentioning.
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This is used over a minor chord
that occurs within a major key.
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So if you look at the key of C.
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[SOUND] You know it has
a family of chords.
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C major 7, D minor 7,
E minor 7, and so on.
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This minor 7 scale is used over the minor
chord built on the second chord in
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the family of chords.
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So that's [SOUND].
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And C would be used over the D minor 7.
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And the scale would be all
the white keys from D to D.
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[MUSIC]
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It's called a Dorian.
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[MUSIC]
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And the reason you would use this scale a
lot is because the second family chord in
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a key is played a lot.
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It very often leads back to the tonic
chord using the circle of fifths.
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So, you very often play D minor seven,
G seven, back to the tonic.
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So, how do we memorize
this minor seven scale?
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There are two ways.
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One way would be to think in
terms of a flattened 3rd and
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flattened 7th of a major scale.
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So instead of playing it in D minor, let's
say, we wanted to play a C minor 7 scale.
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So, if you play a C major scale.
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[MUSIC]
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And then, if you flatten the 3rd.
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1, 2, 3, and the 7th,
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that's a minor 7 scale.
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[MUSIC]
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Okay, so
you would play that over C minor 7.
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[MUSIC]
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So basically it's just [SOUND].
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There's the major scale, and
you flatten the third in the seven.
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[SOUND] Got the minor 7 scale.
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And a second memory trick for
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a minor 7 scale is similar to how
you formed the natural minor scale.
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So if you remember that a minor 7 scale
also has a close relation to a major
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scale, this time it's a whole tone or
two half tones to the left.
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So, if you look again
at the C minor 7 scale
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[MUSIC]
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Notice that it's got two flats,
B flat, [SOUND] and E flat.
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[MUSIC]
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Now if you go a whole tone which is two
half steps, two half tones left of C.
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[SOUND] And
play a major skill based on that tone.
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[MUSIC]
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Okay, you'll see that that's
the major scale of B flat.
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It's got two flats exactly the same,
B flat and E flat.
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[MUSIC]
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So, these two scales
are described as close relatives.
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In fact, they contain the exact same notes
but they just start on a different key.
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So B flat starts on B flat,
B flat major scale.
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[MUSIC]
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C minor seven has exactly the same
notes but it starts on the C instead.
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[MUSIC]
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So, both have the same note.
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So, if you have a C minor
7th chord in left hand
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[MUSIC]
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You can actually play the scale of C
minor 7 or B flat over same notes.
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[MUSIC]
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There's B flat.
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[MUSIC]
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Let's look at another example.
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D minor 7 scale.
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So the trick is, that D minor 7 is
a close relation to the major scale
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a whole tone or two half tones to
the left of the root of the scale.
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So you want to play a D minor seven scale,
the written note is D,
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so you go a whole tone left, and
play a major scale on that note.
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[MUSIC]
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So that's all the note on the D
minor 7 scale, but you start on D.
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[MUSIC]
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So, let's try an F minor 7 scale.
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So, you want to know the notes for
F minor 7 scale, starting on F.
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And you remember that it's got
a close relation to major scale,
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two half tones left.
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So, a major scale built on E flat.
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[MUSIC].
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Okay, three flats.
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B flat, E flat and A flat.
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So, that's the notes for
the F minor 7 scale.
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[MUSIC]
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Same notes just starting
on a different point.
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So, hopefully your starting to understand
that the easiest way to see how
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it works is to try the D minor seven scale
first, which is all the way from D to D.
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[MUSIC]
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Because it's easy to see
where those notes come from,
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they come from the C major scale.
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[MUSIC]
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All the way, no, but
if you play from D to D.
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[MUSIC]
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That's the D minor seven scale, so
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you can see that its relation
is to the C major scale.
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[MUSIC]
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Which is two half tones to the left,
so any scale you can do that with.