Barlow Knife -- Chord Progression

G (I) - D (V) - G (I)  - G (I)
G (I) - D (V) - C (IV) - G (I)

G (I) - G (I) - G (I) - G (I)
G (I) - G (I) - D (V) - G (I)

D (V) - G (I) - D (V) - G (I)
D (V) - G (I) - D (V) - G (I)