Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:3/4
K:D
['d2 c2 de A4 A2 (BAB)(gfg) e4', 'E2 A2']  
X:1
L:1/8
M:3/4
K:D
 d2 c2 de | A4 A2 | (BAB)(gfg) | e4 A2 | a^gacBa | gfgBAg | fefABc | d4 :: a^gaece | A6 | 
 a^gac"^?"[dA]e | A6 | E2 A2 B2 | c4 B2 | AcBdce | AcBdce | E2 A2 ^G2 | A6 | dcdAFA | D6 | dcdFGA | 
 D6 | A,DCEDF | EGFAGB | A2 d2 c2 | d4 :|  