Here’s how bluesy chords work, they sometimes occur in pop songs. The technical term is called Dominant 7 and relies on the flattened 7th.
Source: Seventh chord
West Midlands based Guitar Tutor
Here’s how bluesy chords work, they sometimes occur in pop songs. The technical term is called Dominant 7 and relies on the flattened 7th.
Source: Seventh chord
How basic chords work in the key of G and more info.
Source: G major