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7eventh Heaven.
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Now we're going to learn
about the 7th chords.
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If you look at most songbooks,
you'll see many chords with the number 7.
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C Major 7, C7, G7, D Minor 7, and so on.
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The reason to learn 7th chords is that
it's a very easy way to add interest and
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color to basic chord progressions.
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So far you've been playing basic
three-note chords, triads.
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[SOUND] When you add a 7th,
it gives a much more interesting sound.
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[SOUND] There are two types of 7th.
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Major 7th chord.
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[SOUND] That's C Major 7.
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And a seven chord,
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[SOUND] that's C7.
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I am going to teach you a very easy
formula which will help you add
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a 7th to any chord, instantly.
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You won't really need to know
the theory behind 7th chords, but
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it will be useful to look briefly at where
the 7 comes from in the first place.
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Chords are built on scales.
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Chord note numbers come from these scales.
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So, look at the scale of C major and
count the notes.
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So, there's C major.
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[SOUND] So 1, 2, 3, 4,
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5, 6, 7, back to 1.
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Chord of C [SOUND] uses 1, 3, 5.
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Chord of C major 7 uses 1, 3, 5.
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And yep, you guessed it.
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[SOUND] Number 7 [SOUND].
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Now let's look at the scale of C7.
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And this is slightly different
from the scale of C major 7.
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Cuz C7 has a B flat.
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Okay?
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[SOUND] C major 7 is [SOUND].
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C7 is.
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[SOUND] So the chord of C uses 1, 3, 5.
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1, 2, 3, 4, 5, 6, 7.
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So the [SOUND] 1, 3, 5, and 7.
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That's C7, from the C7 scale.
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[SOUND] So that's it.
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That's the basic principle behind sevens.
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But remember, you really don't need
to think about sevens in these
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terms in order to be able to easily
add them to your chords because I
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have a great memory trick
you can use instead.
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Instead of adding the 7th on
top of your chord [SOUND],
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it's much easier to add
it below the chord.
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I'll show you why.
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[SOUND] Major 7th note
is the very next key to
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the left of the root note of the chord.
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So there's C major 7, and
there's the root note of the chord.
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And if I played it up there,
so that's the same note, C,
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you'll notice that the 7 is just
exactly to the left of the root note.
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[SOUND] That's the root note.
[SOUND] That's anywhere,
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it's the same C note.
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[SOUND] So that's the root note,
7th is just to the left.
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So that's gonna be a 7th as well,
[SOUND] to the left of that C.
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[SOUND] So you can play that
note during there instead.
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So you've got your C, and you wanna add
the 7th, but you add it below instead.
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So that's C major 7.
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A seven note, so
you also play the C7 chord.
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[SOUND] You'll notice from the root note,
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the 7th note is two keys to the left.
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So, [SOUND] instead of
playing it up there,
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you can play it down here
two keys to the left.
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[SOUND] Okay.
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[SOUND] Play it down there.
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So you're moving that from there to there.
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[SOUND] So you know that C major 7.
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[SOUND] Play the C chord and
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the major 7 is one key to
the left of the rhythm chord.
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[SOUND] And that's C major 7.
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[SOUND] C7 is [SOUND] the C chord and
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two notes left of the root, add that note.
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[SOUND] That's C7.
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[SOUND] So let's look at C major 7 again.
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[SOUND] Playing this down here instead.
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[SOUND] Now if you play this note,
the root, in your left hand,
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you don't really need
it in the right hand.
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[SOUND] So that's still C [SOUND] major 7.
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[SOUND] And
all you've had to do is move your thumb
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from the root note down one key.
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[SOUND] So,
let's say you were just playing C, and
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your root with the left hand,
and you wanted to play C major 7.
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All you do is move Move your
thumb one left from the root.
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[SOUND] That's it, C major 7.
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[SOUND] Or if you wanted to play C7,
you could play [SOUND] a C.
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[SOUND] Playing the root in both hands.
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You don't need it in the right hand.
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You can move the thumb onto the 7th.
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[SOUND] Remember.
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[SOUND] So that's C7.
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So on the page you'll see
the two easy formulas
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to make a major 7 play
a root position chord,
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then move your thumb one key
to the left off the root.
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And remember to play
the root in your left hand.
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[SOUND] To make a 7 chord
play a root position chord,
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then move your thumb two keys to left.
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Remember to play the root
with your left hand.
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[SOUND] And that's it.
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Now, you can easily form any
major 7 chord or any 7 chord.
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Let's try it with the chord of G.
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Let's make G major 7.
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So you play G.
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[SOUND] Play the G root note
on the left hand as well.
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And then move your thumb off
the root one key to the left.
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Always count the black keys as well.
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[SOUND] So that's G major 7.
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Simple?
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Play G, just move your thumb one key left.
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That's G [SOUND] major 7.
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To play G7, remember when you move a 7,
you move two keys left.
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Major 7 is one key left,
7 is two keys left.
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So you're playing G [SOUND] with
the G in the root in the left hand.
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[SOUND] And you move two keys left,
one, two, so that's G7.
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[SOUND] Now let's try it with F,
so play F in the right hand.
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[SOUND] F root in the bass [SOUND].
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To make a major 7 F major 7,
thumb one key left in the right hand.
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[SOUND] That's F major 7.
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To make F7, play F both hands.
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Move your thumb two keys left.
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[SOUND] That's F7.
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[SOUND] So
let's form the chord of D minor 7.
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So you've got D minor.
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[SOUND] Both hands root, in the left,
in the bass, so D minor, D minor 7.
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Remember a 7 is two left,
major 7 is one left, 7 is two left.
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You've already got D minor, so you're just
adding the number 7, which is two left.
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[SOUND] So that's D minor 7.
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[SOUND] Let's try A minor 7, so
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play A minor in the right hand,
A root in the left hand.
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[SOUND] Remember, you're just adding 7,
which is two left.
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[SOUND] So that's A minor 7.
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[SOUND] So
hopefully you can see how it all works.
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Try all the rest of the chords for
yourself.