Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
M:6/8
K:D
['dfe dBB']  
X:1
L:1/8
M:6/8
K:D
 A |"D" FAA dAA |"G" BAB dAG |"D" FAA dfe |"G" dBB B2 A |"D" FAA dAA |"G" BAB def | 
"Em" gfe"Bm" dfe |"G" dBB B2 :: e |"Bm" fbb faa | fef def | fbb faa | fed"A" e2 e |"Bm" fbb faa | 
"D" fef def |"Em" gfe"Bm" dfe |"G" dBB B2 :|  