The problem:

1. Most intermediate guitarists have  blind spots on the fretboard.
2. Most intermediate/advanced guitarists don’t know the chords to all the fingerboard positions,

as also they don’t know how to move them across the neck diatonically, in any key,

at any scale or mode, horizontally and vertically.

The solution:

Reading this article and practicing the exercises:

1. You’ll have a practical understanding of how you can apply the music theory on the instrument.
2. You’ll learn all the positions, of all the 7th chords and you’ll be able to “see” them in a diatonic context.
3. You’ll have a practical understanding of the intervals
4. You’ll be able to harmonize any major scale across the neck, horizontal and vertical.

Below it is a score showing:

• the construction of the C Major scale:

W-W-H-W-W-W-H

W=Whole step

H=Half step

• the harmonization of the C major scale stacking diatonic 3rds, 5ths and 7ths over each degree

If you can’t see the image below, please click here.

Now, having understand the theory background, we should apply it over the neck.

In this way it is accrued the following exercises:

• Harmonizing horizontally the C major scale using 7th chords -  Box 1 (E shape)

Download the score & the tab from here:

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• Harmonizing horizontally the C major scale using 7th chords -  Box 2 (D shape)

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• Harmonizing horizontally the C major scale using 7th chords -  Box 3 (C shape)

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• Harmonizing horizontally the C major scale using 7th chords -  Box 4 (A shape)

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• Harmonizing horizontally the C major scale using 7th chords -  Box 5 (G shape)

Download the score & the tab from here:

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• Harmonizing vertically the C major scale beginning with the C maj7 -  Box 1 (E shape)

Download the score & the tab from here:

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• Harmonizing vertically the C major scale beginning with the C maj7 -  Box 2 (D shape)

Download the score & the tab from here:

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• Harmonizing vertically the C major scale beginning with the C maj7 -  Box 3 (C shape)

Download the score & the tab from here:

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• Harmonizing vertically the C major scale beginning with the C maj7 -  Box 4 (A shape)

Download the score & the tab from here:

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• Harmonizing vertical the C major scale beginning with the C maj7 -  Box 5 (G shape)

Download the score & the tab from here:

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You should practice all the 12 exercises:

• to all the scales and modes, as also to all the 12 keys
• with different voicings, such as Drop 2, Drop 3 or Intervallic structures!!!

For example:

• Harmonizing vertically the Ab major scale beginning with the Ab maj7 -  Box 1 (E shape)

Download the score & the tab from here:

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• Harmonizing horizontally the C Dorianb2  mode using 7th chords – Box 4 (A shape)
  

Download the score & the tab from here:

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• Harmonizing the C major scale using Drop 2 voicings -  3rd string root

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• Harmonizing the C major scale using Drop 3 voicings -  5th string root

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• Harmonizing the C major scale using Intervallic structures -  stacking 3rds, 2nds and 4ths

Download the score & the tab from here: