Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:2/4
K:C
['CD EC D2 G,2 DE FD E2']  
X:1
L:1/8
M:2/4
K:C
 CD EC | D2 G,2 | DE FD | E2 C2 | CC B,A, | G,G, FF | E2 D2 | C4 |]  