Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:3/4
K:D
['A a2 b/a/ g>e fe fa g>e', '(3c2 A2 B2 G>A FG'  
X:1
L:1/8
M:3/4
K:D
 A a2 b/a/ g>e | fe fa g>e | d>c (3def g>f | d2 f/g/f/e/ d>c | A a2 b/a/ g>e | fe fa g>e | 
 d>c (3def g>f | (3dec d4 :: (3c2 A2 B2 G>A | FG EF (D2 | D>)c (3def g>f | d>e (3fed c>A | 
 (3c2 A2 B2 G>A | FG ED (D2 | D>)c (3def g>f | (3dec d4 :|  