Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/2
K:D
['fg afaf d2 ef gfge c2 ef']  
X:1
L:1/8
M:2/2
K:D
 fg |"D" afaf d2 ef |"A7" gfge c2 ef |"Em" gfed"A7" cABc |"D" defg a2 fg |"D" afaf d2 ef | 
"A7" gfge c2 ef |"Em" gfed"A7" cABc |"D" dfec d2 :: AG |"D" FAdA FAdA |"G" GBdB GBdB | 
"A7" ABcd efec |"D" defg a2 A2 |"D" FAdA FAdA |"G" GBdB GBdB |"A7" ABcd efec |"D" d2 f2 d2 :|  