vocal warm up: all 12 keys with just 4 chords on ukelele

Chord Shape and Number Of times Used

shape1	shape2	shape3	shape4
Bb	C#	Eb	F#
B	D	E	G
C		F	Ab
			A
3	2	3	4

3+2=5
3+4=7
5+7=12
12= all 12 keys
(starting from Bb)

Shape1

Shape2

Shape3

Shape4