Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:D
['AF F2', 'E3 c dBFB DBFB BAEA BAEA DBFB']  
X:1
L:1/8
M:4/4
K:D
|: B | AB B2 AF F2 | BFAF EF A/B/c | d2 cB AF F2 | BFAF E3 :: c | dBFB DBFB | BAEA BAEA | 
 DBFB DBFB | cBAF E3 :|  