Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
M:4/4
K:C
['c2 gc', 'acgc BGGG BcdB :|2 cg g2 eg'  
X:1
L:1/8
M:4/4
K:C
|: eccB cGEG | FEDC B,DGF | EGcE FAdc |1 Bggg agfd :|2 Bdgf ecdB |: c2 gc acgc | c2 gc BcdB |1 
 c2 gc acgc | BGGG BcdB :|2 cg g2 eg g2 | ag^fa g2 g=f ||  