Craft music utilizing the alphabetic representation of the designated musical pattern and the given melodic theme.
X:1
L:1/8
M:2/2
K:Bb
['BFdB fdbf geGc BAGF GEDE', 'b2 DB,FD BFdB efgc BAGF GBec Acfb']  
X:1
L:1/8
M:2/2
K:Bb
|: BFdB fdbf | geGc BAGF | GEDE CEGB | efgc BAGF | BFdB fdbf | geGc BAGF | GEDE CA, B,2 | 
 ecBA B2 b2 :: DB,FD BFdB | efgc BAGF | GBec Acfb | (3aba (3gf=e f2 (3d_ef | gede fcAB | 
 GBec BAGF | GEDE CA, B,2 | ecBA B2 b2 :|  