Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:2/4
K:Dmix
['FA F/G/A/c/', 'A/B/c/A/ BG']  
X:1
L:1/8
M:2/4
K:Dmix
|: Ad cA | FA F/G/A/c/ | B>A GB | cB B/A/G/B/ | d2 c>A | FA F/G/A/c/ | BG A/B/A/G/ | FD D2 :: 
 c>A BG | A/B/c/A/ BG | AG A/B/c/A/ | BG FD | c>A BG | A/B/c/A/ BG | AG A/B/A/G/ | FD D2 :|  