Compose music pieces incorporating the provided chord modifications.
'C', 'Dm', 'G7', 'C', 'Dm', 'G7', 'C', 'C', 'G7', 'Dm', 'D7', 'G', 'F', 'C', 'G7', 'C', 'Dm', 'G7', 'C'  
X:1
L:1/8
M:2/4
K:C
 E/F/ |"C" G>A GE | Gc ec |"Dm" Ad/e/ fd |"G7" cB AG |"C" G>A GE | Gc ec |"Dm" A>f"G7" dB | 
"C" c3 :: e/f/ |"C" ge Gg/e/ |"G7" fd Gf |"Dm" fe"D7" dc |"G" BA GG |"F" Af"C" Ge |"G7" Fd"C" Ec | 
"Dm" Df"G7" e/d/c/B/ |"C" c3 :|  