Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/4=100
M:2/4
K:C
['GG EE', 'EE/E/ CC/C/'  
X:1
L:1/8
Q:1/4=100
M:2/4
K:C
|: GG EE | FF GE | GG EE | FD EE :| EE/E/ CC/C/ | DD/D/ EC | EE/E/ CC/C/ | DB, C2 :|  