Construct musical works adhering to the required format and the supplied musical theme.
X:1
L:1/8
Q:1/2=90
M:4/4
K:Bb
['dbbg fgfe', 'B2 (3cd=e fcfc f2 cd ecAc B3'  
X:1
L:1/8
Q:1/2=90
M:4/4
K:Bb
 (3FGA | BFBF B2 FE | D2 B,2 B,2 Bc | dBdB dfed | c2 F2 F2 fe | dbbg fgfe | dbbg fgfe | dfbf gecA | 
 B2 B2 B2 :: (3cd=e | fcfc f2 cd | ecAc B3 d | g^fga bga=f | d2 g2 g3 a | baba b3 a | g^fgf g3 =f | 
 edcB Agfe | d2 B2 B2 :|  