The Musical Educator Slide Rule for Keyboard

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Easy Practical Theory Module

An good and easy quick way to understand about Practical Theory for guitar, keyboard and other instruments


The fundamental basics that every budding musician should know

HELP

Quick Intro

DIAGRAM 1 - Transposing

A

Transposing means to change a song or tune from one Key to another

For example transpose a song from the Key of C to the Key of F


So for Example

In the Key of C the chords used are C Major - F Major - G Major and A minor

To Transpose to the Key of F make sure the Blue letter F (Your new Key) is under the the Black letter C (the old Key)


So what was  C Major  is now F Major

and what was F Major is now Bb Major

and what was G Major is now C Major

and what was A Minor is now D Minor

B

NOTE

It does not matter how complex the chords may be the end result is the same


For Example

In the Key of C if the chords used are

C Major 7 - F Major 7 - G 9 and A minor 6

In the Key of F the new chord would now be

F Major 7 - Bb Major 7 - C 9 and D minor 6

DIAGRAM 2 - Transposing

A

Another Example

In the Key of E the chords used are E Major - A Major - B Major and C# minor

To Transpose to the Key of G make sure the Blue letter G (Your new Key) is under the the Black letter E (the old Key)


So what was  E Major  is now G Major

and what was A Major is now C Major

and what was B Major is now D Major

and what was C# Minor is now E Minor

B

Again it does not matter how complex the chords may be the end result is the same


For Example

In the Key of E if the chords used are

E Major 7 - A Major 7 - B 9 and C# minor 6

In the Key of G the new chord would now be

G Major 7 - C Major 7 - D 9 and E minor 6

OLD KEY

NEW KEY

OLD KEY - E

NEW KEY - G

OLD KEY

NEW KEY

OLD KEY - C

NEW KEY - F

DIAGRAM 3 - I -IV - V Roman Numerals

A

A quick guide to the Scale Chords in any Key

The Diagram below shows  A as the tonic (the the Key of A)

and the Roman Numerals shows the Major Scale of A and underneath the arrows all the chords that are harmonized to the scale

Basically chords that will automatically work in that Key

I

IV

V

VI

NOTE

For more information use the

MUSICAL EDUCATOR MANUAL


And If you do not understand about formulas I strongly recommend a quick study of this free Module Easy Practical Theory