Category: Guitar Tips

The 1-4-5 Chord System

A common way of talking about the use of guitar chords in pop songs is called Basic Chord Theory. It is also referred to as the “1-4-5” or (in Roman numerals) “I-IV-V”. Another term you will sometimes hear is the “Nashville System”. I prefer the name “1-4-5” so that’s how I will refer to it