Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:3/4
K:G
['B2 BA Bd', 'ef ed']  
X:1
L:1/8
M:3/4
K:G
 B2 BA Bd | B2 BA Bd | E3 B AB | D3 E (3FED | B2 BA Bd | B2 BA Bd | E3 B AB | G3 :| e2 ef ed | 
 B2 BA Bd | ef ed Bd | e3 f gf | e2 ef ed | B2 BA Bd | E3 B AB | G3 :|  