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:D
['DF/A/ BA d2- d>c BA Bc', 'f2 e2 d2- d>c BA Bc']  
X:1
L:1/8
M:2/4
K:D
 z | DF/A/ BA | d2- d>c | BA Bc | BA FA | DF/A/ BA | d2- d>c | BA Bc | ed d :| e | f2 e2 | 
 d2- d>c | BA Bc | BA FA | f2 e2 | d2- d>c | BA Bc | ed d :|  