Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/4
M:6/4
K:D
['F A', 'a f e/f/ g']  
X:1
L:1/4
M:6/4
K:D
 A | F D F A F A | E C E G2 E | F D F A F A | f/g/ a f d2 :: (f/g/) a f e/f/ g f | e c e g2 e | 
 f/g/ a f e/f/ g e | c A c d2 :|  