Compose a piece of music following the given chord progression.
'G', 'D7', 'G', 'D7', 'G', 'G', 'C', 'G', 'Am', 'D7', 'G', 'C', 'G', 'D7', 'G'  
X:1
L:1/8
M:4/4
K:G
 c/ |"G" B<d g2 g/f/e/d/ g2 | B<d g2{fg}"D7" a<A A>c |"G" B<d g2 g/f/e/d/ g2 | 
 B<d"D7" A>c"G" B<G G3/2 :: A/ |"G" B<d d>B"C" c<e e>c |"G" B<d d>G"Am" [eB]<A"D7" A>c | 
"G" B<d d>B"C" c<e e>c |"G" B<g"D7" A>c"G" B<G G3/2 :|  