Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/16
Q:1/8=180
M:2/4
K:none
['', 'd2d2d2 cd ecAc e2e2 dcBc Acec', 'A2 g2g2 gfed f2f2 fedc e2e2 e2de']  
X:1
L:1/16
Q:1/8=180
M:2/4
K:none
[K:D]|: (3(ABc) | d2d2d2 cd | ecAc e2e2 | dcBc Acec | d2 df a2af | d2d2d2 cd | ecAc e2e2 | 
 dcBc Acec | d2f2d2 :: A2 | g2g2 gfed | f2f2 fedc | e2e2 e2de | f4- f2af | d2d2d2 cd | ecAc e2e2 | 
 dcBc Acec | d2f2d2 :|  