A7 Guitar Chord | Open D Tuning

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Alternate

A dominant, Adom7

Tuning

Open D Tuning

 
O
 
 
O
X
1
2
3
4
5
213
E
A
G
E
A
 

This version of A7 is played in open D tuning. Notice how the third, C#, is omitted from the chord. This results in a harmonically ambiguous sound.

X
 
 
X
 
 
7
8
9
10
11
 
G
C♯
 
E
A

X
 
 
 
 
 
7
8
9
10
11
 
G
C♯
A
E
A

 
 
 
 
 
 
7
8
9
10
11
A
G
C♯
A
E
A

 
 
 
X
 
 
7
8
9
10
11
A
G
C♯
 
E
A

X
 
 
X
 
 
7
8
9
10
11
 
E
C♯
 
G
A

X
 
 
 
 
 
7
8
9
10
11
 
E
C♯
A
G
A

 
 
 
 
 
 
7
8
9
10
11
A
E
C♯
A
G
A

 
 
 
X
 
 
7
8
9
10
11
A
E
C♯
 
G
A

 
 
 
 
X
 
5
6
7
8
9
A
E
C♯
G
 
A

X
 
 
X
 
 
19
20
21
22
23
 
G
C♯
 
E
A

X
 
 
 
 
 
19
20
21
22
23
 
G
C♯
A
E
A

 
 
 
 
 
 
19
20
21
22
23
A
G
C♯
A
E
A

 
 
 
X
 
 
19
20
21
22
23
A
G
C♯
 
E
A

X
 
 
X
 
 
19
20
21
22
23
 
E
C♯
 
G
A

X
 
 
 
 
 
19
20
21
22
23
 
E
C♯
A
G
A

 
 
 
 
 
 
19
20
21
22
23
A
E
C♯
A
G
A

 
 
 
X
 
 
19
20
21
22
23
A
E
C♯
 
G
A

 
 
 
 
X
 
17
18
19
20
21
A
E
C♯
G
 
A

X
 
 
X
 
 
10
11
12
13
14
 
G
E
 
A
C♯