Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:4/4
K:C
['dd d2 ef |{d}', 'd2 ef', 'efgc g2 fe d2 ef |{d} e6']  
X:1
L:1/8
M:4/4
K:C
|:"^A" cd dd d2 ef |{d} e4 ed c2 | cd dd d2 ef |{d} e6 z2 ::"^B" A_B AB c2 d2 | e3 d{f} g4 | 
 A_B AB c2 d2 |1{d} e4 ed c_B :|2{d} e6 z2 |:"^C"{c} d2 dd d2 ef |{d} e4 ed c2 | cd dd d2 ef | 
{d} e6 z2 ::"^D" ef gg g2 g2 | gf gf e3 f | g2 fe d2 ef |{d} e6 z2 ::"^E" g2 fe d2 ef | e3 c efgc | 
 g2 fe d2 ef |{d} e6 z2 ||  