Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:2/2
K:D
['c2 BA BcdB ABAG', 'D2 f>g afaf d ga bgbg e2']  
X:1
L:1/8
M:2/2
K:D
 A | FDFA d2 ef | gefd c2 BA | BcdB ABAG | G2 E2 E2 A2 | FDFA d2 eg | fefd c2 BA | BcdB ABAG | 
 F2 D2 D2 :: f>g | afaf d ga | bgbg e2 fg | afaf abaf | g2 e2 e3 A | FDFA d2 ef | gefd c2 BA | 
 BcdB ABAG | F2 D2 D2 :|  