Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:D
['dBcA BAFA B3 d', 'FDD A dA A2 dAFA B3 d']  
X:1
L:1/8
M:4/4
K:D
 f2 ed edBc | dBcA BAFA | B3 d AFDF | GEFD EDB,e | fd d2 ec c2 | dBcA BAFA | B3 d AGFD | 
 EGAG FDD |] A | dA A2 dAFA | B3 d cAAd | BdAd GdFd | EFGE FDD :|  