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:G
['DBBA B3 A GB B2 eBdB', 'f3 d']  
X:1
L:1/8
M:4/4
K:G
 E | DBBA B3 A | GB B2 eBdB | A2 GB A2 Bd | eB B2 gfed | DBBA B3 A | GB B2 eBdB | GABG A2 GA | 
 BGAG EFG :| e | f3 d eB B2 | eBgB eB B2 | f3 d edBd | eaa^g aba=g | f3 d eB B2 | g3 e dB B2 | 
 GABG A2 GA | BGAG EFG :|  