Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/16
M:2/4
K:D
['gfed e2a2 gfed dcBA', 'D4 GFED A2A2 Bcde dcBA d2A2 BcdB']  
X:1
L:1/16
M:2/4
K:D
 gfed e2a2 | gfed dcBA | d2A2 BcdB | g2f2 e4 | gfed e2a2 | gfed dcBA | d2>B2 BcdG | F2E2 D4 :: 
 GFED A2A2 | Bcde dcBA | d2A2 BcdB | g2f2 e4 | gfed e2a2 | gfed dcBA | d2>A2 BcdG | F2E2 D4 :|  