Now, in the key of G, the four chords used would be D (V), Am (ii), C (IV), and G (I). In the key of C, the four chords would be G (V), Dm (ii), F (IV), and C (I). | Now, in the key of G, the four chords used would be D (V), Am (ii), C (IV), and G (I). In the key of C, the four chords would be G (V), Dm (ii), F (IV), and C (I). |