Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:4/4
K:D
['D2 FD CEGE DF F2 Adfe dfaf', 'F2 BF AFBF Agfe', 'd4 a2 gb afdg fgaf gbag fdAF']  
X:1
L:1/8
M:4/4
K:D
|: D2 FD CEGE | DF F2 Adfe | dfaf gbed | (3cdege cAGE | D2 FD CEGE | DF F2 Adfe | dfaf gbed | 
 (3Bcdec d4 :: F2 BF AFBF | Agfe dBAG | F3 B AF F2 | A,DFD E2 AG | F2 BF AFBF | Agfe dB B2 | 
 gabg af f2 | eAce d4 :: a2 gb afdg | fgaf gbag | fdAF BGED | A,DFD E2 AG | FABF Ad d2 | 
 (3Bcdfd Be e2 | gabg ea a2 | gece d4 :|  