Chord CAMP

Guitar Techniques - - CONTENTS -

Iain Scott pro­vides an­other in-depth look at what makes chords tick. This month: 13ths.

In his on­go­ing quest to im­prove your vo­cab­u­lary, camp com­man­der Iain Scott is stack­ing it up high us­ing ex­ten­sions to build mag­nif­i­cent 13th chords.

A E Es with last month’s 11th chords, we build 13ths by stack­ing ex­tra 3rd in­ter­vals above sim­ple ma­jor or 7th chords. So, in the case of C7 (C-E-GBb), by adding the 9th (D), 11th (F) and 13th (A) we cre­ate C13. Clearly, this is a seven-note chord, so on the gui­tar we re­move some of the less vi­tal in­ter­vals (of­ten the 5th, 9th and 11th) and play them as much more gui­tar-friendly four-note shapes.

You can also build 13ths from other in­ter­vals in the C Ma­jor scale (and all other keys, of course). So, from the se­cond de­gree of C Ma­jor (D) we get: D (root), F ( A(5), C ( E(9), G (11) and B (13). This is Dm13 From the fifth de­gree (G) you would get G (root), B(3), D (5), F (b7), A(9), C (11) and E (13) to cre­ate a chord of G13. And so on.

Adding the note A creates C ma­jor 6 (C6): C (root), E(3), G (5), A (6). It’s not vi­able to play in that or­der on the gui­tar so we more com­monly play: C-E-A-C-E (los­ing the 5th and dou­bling root and 3rd); or C-D-C-E-A (dou­bling the root but re­tain­ing the 5th).

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