American Idiot by Green Day is played in the key of G at a beginner difficulty level, originally released in the 2000s. It uses 4 chords — G D C D — arranged in the I-V-IV-V progression.
About the I-V-IV-V progression
This song is built on the I-V-IV-V progression. Follow the chord order in the diagrams above, and use the transpose controls if the key doesn't suit your voice.
Playing in the key of G
G major is one of the easiest keys on guitar. Its primary chords — G, C, and D — are all open first-position shapes, and the relative minor (Em) is one of the simplest grips on the instrument. A great key to spend time in as a beginner.
Related songs
More songs in the key of G
Learn to play American Idiot by Green Day on guitar. It sits in the key of G and uses the I-V-IV-V progression with the chords G D C D.