Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:6/8
K:D
['A F2', 'd2 c B'  
X:1
L:1/8
M:6/8
K:D
|: D2 A F2 B | A F2 E2 D | d e f e c2 | B3 A4 :: a2 g f c2 | d2 c B e f | g2 f e c2 | B3 A B c | 
 d2 c B F2 | G2 F E A B | c d e A2 f | e3 d3 :|  