Compose melodies by merging the prescribed musical pattern and the supplied theme.
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
['B2 FE DB,DF GEGB AFAc', 'B2 ga bfdB Aceg fdcB BAGF ecec'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
 FG/A/ | B2 FE DB,DF | GEGB AFAc | dBec fdcB | A2 c2 c2 BA | B2 FE DB,DF | GEGB AFAc | Bbag fedc | 
 B2 B2 B2 :: ga | bfdB Aceg | fdcB BAGF | ecec dBdB | A2 F2 F2 _A2 | GEGB edcB | AFAc fedc | 
 Bbag fedc | d2 B2 B2 :|  