Guide to Chord Formation by Howard Wright (Howard@jmdl.com)
Chapter 6 : 9ths, 11ths, 13ths
6.0 : 9th, 11th and 13th Chords
Once you move beyond
7ths and start adding notes from higher up
the
scale (e.g.
9ths,
11ths,
13ths) there is one very important
thing to remember.
All of these chords must have a 7th in them.
Just as there are 3 types of
7th chord (
7th,
min 7th,
maj 7th), you end up with 3 types for
9th,
11th and
13th chords by simply
adding to the
basic 7
th chord.
To get a 9
th chord, add the 9
th to the (
flat) 7
th chord
To get a min 9
th, add the 9
th to the
min 7
th chord
To get a maj 9
th, add the 9
th to the
maj 7
th chord
To get
11th chords you can
add the 11
th to the 3 types of 9
th chord, but most of the time the 9
th is not needed, so you simply add an 11
th to the 7
th chords to build the 3 types of 11
th chord, and similarly with 13
ths.
If you have a
voicing of a 13
th chord that
also has a 9
th or 11
th in it, then that's fine: it's still a 13
th chord, but most of the time these chords are just a normal 7
th with an added note (9
th, 11
th or 13
th)
6.1 : 9th, 11th, and 13th Chords
The
spelling for chords like
C9,
C11,
C13 (i.e. chords built on
C7 - so they have a
flat 7th in them) is:
-
9th: 1st, maj 3rd, 5th, flat 7th, 9th
11th: 1st, maj 3rd, 5th, flat 7th, 11th
13th: 1st, maj 3rd, 5th, flat 7th, 13th
It's worth noting here that the 5
th can be
omitted from the chord.
The
essential notes for C9, C11 and C13 are the
1st,
3rd,
7th and
9th/
11th/
13th
Guide to Chord Formation by Howard Wright
Reformatted and noded (with permission) by Space Butler
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