Arrange a song combining the mentioned alphabetical representation of a musical pattern and the given melodic theme.
X:1
L:1/8
M:2/2
K:D
['A2 FA DAFA', 'f2 fg fedc Bggf g3 f edcB', '', 'A2 FA DAFA', 'fddc d2']  
X:1
L:1/8
M:2/2
K:D
|: fedf edcB | A2 FA DAFA | B2 GB EBGB | A2 FA DAFA | fedf edcB | A2 FA DAFA | Beed cABc | 
 eddc d2 de :: f2 fg fedc | Bggf g3 f | edcB ABce | baa^g a3 =g | f2 fg fedc | Bggf g3 f | 
 edcB ABcd | eddc d2 de :|"^variations" |: fedc edcB | A2 FA DAFA | B2 GB EBGB | A2 FA DAFA | 
 fedc edcB | A2 FA DAFA | BGBd cAce |1 d2 dc d2 de :|2 d2 dc d2 ag |: fdfa fdfa | aggf g3 f | 
 edcB Aceg | baa^g a3 =g | fdfa fdfa | aggf g3 f | edcB Aceg |1 fddc d2 ag :|2 fddc d2 de |]  