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
Month: July 2014
Easy B7 Chord
This chord may take time to learn if you’re a beginner. Spot the upside down D chord shape.
This version of B7 is one of the easiest with practice.
B7 guitar chord. Picture of an easy-to-play B7 guitar chord.
Source: B7 Guitar