Create musical compositions employing the designated chord progressions.
'G', 'D7', 'G'  
X:1
L:1/8
M:2/4
K:none
[K:G]"G" dg/g/ gg | Bd/d/ dd | GB AG |"D7" F2 A2 | cf/f/ ff | Ac/c/ cc | Fc BA |"G" G2 G2 :|  