Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:2/4
K:C
['', 'eg ce df Bd'  
X:1
L:1/8
M:2/4
K:C
 e |:"C" g^f g=f | eg ce |"G7" df Bd |"C" c/B/c/d/ ce | g^f g=f | eg ce |"G7" df Bd |"C" c3 e :: 
"Dm/F" fa df |"C" eg ce |"G7" df Bd |"C" c/B/c/d/ ce |"Dm/F" ff/a/ dd/f/ |"C/G" ee/g/ cc/e/ | 
"G7" dd/f/ BB/d/ |1"C" c3 e :|2"C" c3 z |]  