Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:4/4
K:Bmin
['d2 Bd cBAc BAFG AFEA FBBA Bcde', 'bafg a3 b afef a2 bf afea']  
X:1
L:1/8
M:4/4
K:Bmin
|: d2 Bd cBAc | BAFG AFEA | FBBA Bcde | f2 bf af e2 | d2 Bd cBAc | BAFG AFEA | FBBA Bcde |1 
 f2 ec B3 c :|2 f2 ec B3 a |: b3 c' bafa | bac'a bafg | a3 b afef | a2 bf afea | b3 c' bafa | 
 bac'a bafg | a4 b4 | c'3 b af e2 :|  