Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/2=120
M:2/2
K:D
['d2 AG FDFA cAce f2 gfed']  
X:1
L:1/8
Q:1/2=120
M:2/2
K:D
"D" d2 AG FDFA |"G" BGBd"A" cAce |"D" f2 fd"G" gfed |"A" c2 e2 e2 (3ABc |"D" d2 AG FDFA | 
"G" BGBd"A" cAce |"D" f2 fd"G" gfed |"A" A2 d2"D" d2 A2 ::"D" dfaf dfaf |"G" gfef g2 ef | 
"A" gfed cdeg |"D" fefg f2 fe |"D" dfaf dfaf |"G" gfef g2 ef |"A" gfed caag |"D" f2 d2 d2 A2 :|  