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Musical Educator Slide Rule for Guitar & Keyboard 
© Copyright G.N.E.B.  www.appsforguitar.com
Pentatonic and Blues Scales
OPEN
USER
MANUAL

NOTE: For the full instruction manual on the Musical Educator Slide Rule click on the link OPEN USER MANUAL (Left)

For a quick overview see below

1 - The Diagram 1 - left shows the

C Major Pentatonic Scale.  

The Formula = 1-2-3-5-6-1

The BLUE number 1 on the bottom string is over the note of C on the Keyboard (so the slide rule is set to the Key of C Major)

2 - The Diagram left also shows the

A Minor Pentatonic Scale.  

The Formula = 1-b3-4-5-b7-1

BUT NOTE Because A minor is the relative minor for the Key of C Major (the 6th note being the relative minor to the Tonic)

This Pentatonic Slide Rule has been set up for easy viewing for guitarists.  Instead of using the minor pentatonic formula of 1-b3-4-5-b7-1

just use the formula numbers  6-1-2-3-5-6

The BLUE number 6 on the bottom string is over the note of A on the Keyboard (so the slide rule is set to the Key of A minor)

So you see the C Major Pentatonic Scale is in effect the same as the A Minor Pentatonic Scale

3 - The Diagram left also shows an instant easy way to find the  A Blues Scale  by adding the B

See Diagram 2 below

DIAGRAM 1

Shows the C Major Pentatonic Scale
+ the A Minor Pentatonic Scale
+ the A Blues Scale

1 - The Diagram 2 - left shows the A Major Scale and the RED Circles show the A Blues Scale.  

The Formula = 1-b3-4-#4-5-b7-1

BUT NOTE Compare the two Diagrams 1 and 2 and it

Becomes immediately obvious that diagram 1 is easier to read by simply using the relative minor pattern and adding the B letter shown for your Blue note

DIAGRAM 2

Shows the A Major Scale
The RED Circles show the
A Blues Scale
b3
b3
b3
#4
#4
b7
b7
Key of A Major
1
DIAGRAM 3 - C Major or A minor Pentatonic

Here we have the 5 basic Pentatonic Patterns that are worth memorising
Notice how the 5 basic Pentatonic Patterns overlap each other
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