The chord progressions for many bluegrass songs are made up of the chords built upon the first, fourth, and fifth notes of the major scale of the key of the song. Internalizing the I–IV–V chord positions using the F chord shape prepares you for playing great bluegrass banjo backup with fretting and vamping techniques.
Key of G: G, C, and D chords
Key of C: C, F, and G chords
Key of D: D, G, and A chords
