Compose a piece adhering to the given musical structure and theme.
X:1
L:1/4
M:3/4
K:C
['G G']  
X:1
L:1/4
M:3/4
K:C
 B/c/ | d D E | F G A | A G G | G2 A | G G G | f3/2 f/ f | e d c | d2 c | B A G/F/ | G B d/e/ | 
 f d B | c2 B/c/ | d D E | F G A | A G G | G2 ||  