Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:6/8
K:C
['C2 E EDE', 'GEC D2'  
X:1
L:1/8
M:6/8
K:C
|: C2 E EDE | GED E2 D | C2 E EDE | GEC D2 E | C2 E EDE | GEG c3 | cde dcA |1 GEC D2 E :|2 
 GEC D2 B |: c2 e dcA | G3 GAB | c2 e dcA | GEC D2 B | c2 e dcA | G3 GAB | c3 AcA |1 GEC D2 B :|2 
 GEC D2 E ||  