Arrange a song combining the mentioned alphabetical representation of a musical pattern and the given melodic theme.
X:1
L:1/8
M:6/8
K:D
['GBd Adf a2 g']  
X:1
L:1/8
M:6/8
K:D
|: z |"D" DFA"G" GBd |"D" Adf a2 g | fed"Bm" Bcd |"E" ecA"A" GFE |"D" DFA"G" GBd |"D" Adf a2 g | 
 fef"A" gec |"D" edc d2 :: f/g/ |"D" afd dcd |"G" BGG G2 F |"E7" E^GB e2 d |"A" cAA A2 a/g/ | 
"D" fdA FDF |"G" GBd g2 g |"D" fef"A" gec |"D" edc d2 :|  