Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:2/2
K:Bb
['vbf f2 dB B2', 'z f (vge)de ge(be) (fd)^cd fd(bd) gefd']  
X:1
L:1/8
M:2/2
K:Bb
 uf | vbf f2 dB B2 | vedcB AGFE | DFBd EGcd | edcB BAGF | vbf f2 dB B2 | c=Bcd edc_B | Acfa Bc=eg | 
 f2 a2 f2 z :: f | (vge)de ge(be) | (fd)^cd fd(bd) | gefd ecdB | cABG BAGF | (DF)Bd (EG)ce | 
 dBec fdge | fdec dBcA | B2{a} b2 B2 z :|  