Minor blues chords
The step between major and minor in blues are little and sometimes flowing. For a simple 12 bar blues with three chords all that have be done is to change the I and IV chords from major and minor and keep the V chord as it is.
Blues in E minor
The E minor is probably the most common minor key in blues and the following diagrams shows the main chords to learn:
Substitutions such as Am7 and B9 are options.
12 Bar Blues in Em
On way to play the chords in a 12 bar progression. Start from top left and play four beats per measure.
You could play the E Pentatonic minor blues scale in 1st position over the chords.
16 Bar Blues in Em
This example but include some additional chords:
The last measures are a turnaround and the idea is to repeat the full progression and finally end with an Em chord.
Blues in A minor
Next to E minor, A minor is the most common key for minor blues considering the guitar.
12 Bar Blues in Am - example 1
A simple 12 bar blues approach:
The last E7 is a turnaround and ending chord should instead be Am7.
12 Bar Blues in Am - example 2
Another progression, but slighly more complex:
Short notation for Bm7b5 is X2323X.
Go back to the main section of Blues guitar.