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Untitled video
AB
by
Amanda Bussell
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Updated Feb 3, 2021
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00:01 - 00:05
Okay, This looks scary because of the key signature, but
00:05 - 00:06
don't let it put you off.
00:06 - 00:08
So let's take a step by step.
00:09 - 00:14
First note in trouble, Cliff, be the key.
00:14 - 00:16
Signature doesn't have a b.
00:16 - 00:16
Sharpen it.
00:17 - 00:18
So that's just gonna be a B natural.
00:21 - 00:22
Next one.
00:22 - 00:23
E trouble class.
00:24 - 00:28
The key signature does have an e sharp in it.
00:29 - 00:31
So that is going to be an e.
00:32 - 00:36
Sure. So all I'm going to do now is look
00:36 - 00:37
at this.
00:37 - 00:41
It's got nothing to do with this now, taking my
00:41 - 00:43
bottom note, which is a day I'm going to write
00:44 - 00:48
out to be a major scale B C d e
00:48 - 00:50
f g a B.
00:52 - 00:57
So I know that this has got Father Charles goes
00:59 - 01:02
down B c g sharp B f sharp, g sharp,
01:03 - 01:07
a sharp on dhe be all right.
01:07 - 01:09
So that's the way I would might after singing to
01:09 - 01:11
myself and played them in an imaginary piano.
01:12 - 01:13
Don't worry.
01:13 - 01:15
It will come to all of you if you're dedicated
01:15 - 01:21
musicians. Okay, So taking my bottom notes, the first thing
01:21 - 01:23
I want to work out is what the interval would
01:24 - 01:24
have been.
01:24 - 01:26
What number it would have been if it was just
01:27 - 01:27
in the key.
01:28 - 01:28
So what?
01:29 - 01:34
1234 that if it had been the correct one, would
01:34 - 01:38
have been 1/4 now, normally it would be in a
01:39 - 01:42
This is any sharp, which makes it a bigger interval
01:43 - 01:44
than it should have been originally.
01:45 - 01:47
So it's one semi tone higher.
01:49 - 01:56
Therefore, instead of being a major major perfect fourth, I
01:56 - 01:58
have to replace that because it's raised.
01:59 - 02:03
And if I raise a perfect interval by one Senate
02:03 - 02:06
on, I change it to the word augmented.
02:10 - 02:13
That means that I'm now looking at an augmented fourth
02:14 - 02:17
interval instead of just a perfect forth into that.
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