Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:2/4
K:G
['D G/G/BBB FFDD GGBB F2 Dd ddBG/G/']  
X:1
L:1/8
M:2/4
K:G
 D | G/G/BBB | FFDD | GGBB | F2 Dd | ddBG/G/ | e/e/edd | ccBB | A2 G |]  