Atlas
Everything you need to build and play chords.
Key
C
Practice with a backing track
C Major
Major
Minor
Suspended 2nd
Suspended 4th
Augmented
Diminished
Major 7th
Dominant 7th
Minor 7th
Half-Diminished
Notes
C E G
Intervals
1 3 5
Formula
1 – 3 – 5
Atlas
Triads
Inversions
7th Chords
Fretboard
Theory
Triads
C Major triads in all inversions and string sets.
String set
1–2–3
2–3–4
3–4–5
4–5–6
Tabs
Fretboard
Notation
String set 1–2–3
Root Position
1 – 3 – 5
3
×
×
×
C
E
G
e
B
G
D
A
E
5
5
3
1st Inversion
3 – 5 – 1
8
×
×
×
E
G
C
e
B
G
D
A
E
9
8
8
2nd Inversion
5 – 1 – 3
12
×
×
×
G
C
E
e
B
G
D
A
E
12
13
12