The Three Patterns for 7th Chords

In Chords, Theorie on February 3, 2010 at 8:18 pm

Find every 7th chord you’ll ever need in three patterns and with four rules. Obviously, this will not show you every voicing there is on guitar but it is a start if you really want to try it.

The Three Patterns


The Four Rules

All of the rules refer to the chord symbol which is the expression used to name chords

  1. The 5th is natural unless you’re told otherwise by the chord symbol
  2. “7” means b7
  3. “maj7” means that the 7th is not flatted
  4. “min” (or “m”) means to flat the 3rd
A7
7th is flatted
A7b5
7th and 5th are flatted
Amin7
7th and 3rd are flatted
Amaj7
7th is natural (not flatted)
Am maj7
3rd is flatted, 7th is natural
Am maj7b5
3rd and 5th are flatted 7th is natural

Note: When you see “aug” or “+” raise the 5th a half step

What you must do is adjust the patterns according to chord symbol.
Examples are shown below.

docs here   The Three Patterns for 7th

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