Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:4/4
K:C
['d2 c3']  
X:1
L:1/8
M:4/4
K:C
 C2 | C2 c2 c3 d | c2 (BA) G3 G | A2 d2 c3 e | (d3 c) A2 | BB | c2 d2 c3 A | (GF)(ED) C2 DE | 
 F2 (ED) A2 (GE) | D4 D2 ||  