Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/4
M:6/4
K:G
['C D']  
X:1
L:1/4
M:6/4
K:G
 C D C D2- D/D/ | E/D/ C D A,3 | D D C D3 | G/G/ A (G/F/) E3 | D/D/ F G A3 | (G/F/) D D | G3 | 
 (A/G/) F D (C A,) G, | A, D3/2 D/ D3 |]  