Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:D
['A2 FA', 'D2 DAFA D2 EF GFED']  
X:1
L:1/8
M:4/4
K:D
 B | A2 FA BGGB | A2 FA GE EB | A2 FA BABC | DABG FD D2 :| DAFA D2 EF | GFED CDEF | DAFA BABC | 
 DABG FD D2 | DAFA D2 EF | GFED CD E2 | FA A2 GB B2 | AFEG FD D2 ||  