Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:6/8
K:D
['d2 d def e2 d c2 A', 'A2 A'  
X:1
L:1/8
M:6/8
K:D
|: A | d2 d def | e2 d c2 A | B2 B BAF | A2 A ABc | d2 d def | e2 d c2 A | B2 A GEF | D2 D D2 :: 
 B | A2 G FEF | A2 A A2 g | f2 d edB | d2 d d2 B | A2 G FEF | A2 A A2 A | Bcd edc | d2 D D2 :|  