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Understanding Modes
Written by Bryan Helmig   
Sunday, 02 March 2008
 

Modes aren't complicated at all. In fact, they are simple.

Pop-up instructional video to the left.

A mode is basically a major scale that starts on an interval other than the root. They are commonly used by jazz players to improvise over a chord progression. Commonly, when the chord changes, the mode changes. While this isn't the only approach for jazz improvisation, it is a common one.

I highly recommend read out my Three Vital Musical Concepts lessons first if you don't know your major scale pattern and the use of intervals.

Simply put

There are seven modes. The Ionian mode is the major scale.

  1. Ionian (major)
  2. Dorian
  3. Phrygian
  4. Lydian
  5. Mixolydian
  6. Aeolian
  7. Locrian

To illustrate the simplicity of modes, here are the seven modes that only use the notes in a C major scale: C D E F G A B.

  • C ionian is the C major scale starting on C. The notes are C D E F G A B.
  • D dorian is the C major scale starting on D. The notes are D E F G A B C.
  • E phrygian is the C major scale starting on E. The notes are E F G A B C D.
  • F lydian is the C major scale starting on F. The notes are F G A B C D E.
  • G mixolydian is the C major scale starting on G. The notes are G A B C D E F.
  • A aeolian is the C major scale starting on A. The notes are A B C D E F G.
  • B locian is the C major scale starting on B. The notes are B C D E F G A.

 Simplifying modes that much is cheating a little bit, but you should be able to understand the concept.


Just paying the bills:

Why modes are great

These seven modes enable musicians to use the major scale pattern over pretty much any chord shape. Because guitar is a transposing instrument, that means one generic pattern for any situation by simply moving up and down the fretboard.

The best part is, you already know the only pattern you need. Treat the tab below as a representation of the fretboard and a full C major scale:

modes1.png

You can take this entire pattern and slide it anywhere and it would the transposed pattern.

Digging a bit deeper

So lets discuss what modes really do when you get down to the dirt. It's a little more complicated but fear not, I'll be brief.

Below are the intervals for each of the modes. This will tell you what notes make up each mode relative to the major scale.

  1. Ionian (major): 1, 2, 3, 4, 5, 6, 7
  2. Dorian: 1, 2, b3, 4, 5, 6, b7
  3. Phrygian: 1, b2, b3, 4, 5, b6, b7
  4. Lydian: 1, 2, 3, #4, 5, 6, 7
  5. Mixolydian: 1, 2, 3, 4, 5, 6, b7
  6. Aeolian: 1, 2, b3, 4, 5, b6, b7
  7. Locrian: 1, b2, b3, 4, b5, b6, b7

That's just some of the basic theory behind it. If you don't understand the above, don't worry. At least you've been exposed to modes.

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Users' Comments (6)
Posted by Dale Leighton, on 18-08-2008 15:32,

1. Try ordering modes by flats...

Hi Byan 
 
After seeing Ur modal guides I thought that U could make use of the diagram that I recently composed 4 my students 2 ease the process of rapidly acquiring any mode from any closed scale. The key 2 the chart (& underlying math/logic behind it) is ordering the modes by appearance of flats, rather than by tonal center. 
 
Please email me for the GIF's. 
 
Also, the guitar is NOT a transposing instrument. My Alto Sax' is because notes for the "C" scale on my sax are the notes for the E-flat scale on piano. A transposing instrument is not tuned to "concert pitch" -- guitar is. 
 
Dale
 
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Posted by bryanhelmig, on 22-08-2008 03:06,

2. Guitar IS a transposing instrument

Actually guitar IS a transposing instrument ( http://cnx.org/content/m10672/ latest/ ), even though it is really, really easy. Guitar is off a full octave when read standard music instead of a couple steps on saxaphone. But thank you for the suggestions!
 
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Posted by Mrblue, on 30-08-2008 11:35,

3. changing key

So when i want to play a different mode i change the root, if i want to switch the key do i change the position?
 
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Posted by Mrblue, on 02-09-2008 11:53,

4. where's the heat?

The guy that run this still alive? or he in the school mumbo? Be cool to get some reply's in this ship. 
happy playing.
 
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Posted by bryanhelmig, on 06-09-2008 06:40,

5. mrblue

Sorry Mr. Blue! I have been been with starting school and such.  
 
The seven modes correspond with the seven notes of the major scales. If you use the pattern in single position, you get all those modes from that position. If you move the pattern up a fret, you move each mode up a half step key-wise. 
 
Moving the pattern to the appropriate spot will get you the key you want. 
 
Hope this helps, its hard to explain!
 
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