Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:3/4
K:C
['de f4 (3cde e4 d4']  
X:1
L:1/8
M:3/4
K:C
 (3GAB c2 c2 | Bc d4 | (3Bcd e2 e2 | de f4 | (3cde e4 | d4 c2 | de f4 | (3cde e4 | d4 ec | Bd c4 |]  