Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:6/8
K:D
['', 'fdd dcd', 'fdB BAB fdB Bcd cAF']  
X:1
L:1/8
M:6/8
K:D
 d2 e |: fdd dcd | Bdd Add | Gdd Fdd | cBA bag | fdd dcd | Bdg Adf | GBe FAd | eBc d2 e :: 
 fdB BAB | fdB Bcd | cAF FEF | fgf edc | fdB BAB | fdB Bcd | cAF fge | dBB B3 :|  