Learn the minor chords in the key of C and the relative minor scale which is A minor scale. This scale is also commonly known as the Aeolian scale the sixth mode of the seven modes in music. It can be used to create a sad mode it’s an amazing scale and sound worth learning and adding to your music. Check it out by tapping the link below https://youtu.be/O-WZrduym0U
Below are the illustrations of the scale and the chords. You can follow the link to watch the video for the illustrations.
The guitar journey. 