Cavaquinho · Thirteenth chord

C#13 Thirteenth

Key: F# Major
Hard

C#13 is the C# thirteenth chord on cavaquinho, made of the notes C# · F · G# · B · A#.

Notes

C#
F
G#
B
A#

Structure

1
3
5
♭7
6

Sound: Dominant thirteenth; Full, sophisticated
Harmonic function: Dominant; Creates tension that resolves to the tonic.

Harmonic field of F# Major

Degree	Chord	Function
I	F#	Tonic
ii	G#m	Subdominant
iii	A#m	Tonic relative
IV	B	Subdominant
V	C#	Dominant
vi	D#m	Tonic relative
vii°	Fdim	Dominant

How to play

1Barre fret 6 with your index finger, from string 3 to string 2.
2Place your middle finger on fret 8 of string 4.
3Place your ring finger on fret 9 of string 1.
4Strum all the strings.