Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/8
M:4/4
K:D
['a2 af b4 g2 ge a3 a']  
X:1
L:1/8
M:4/4
K:D
 a2 af b4 | g2 ge a3 a | ffff gggg | edef d4 | aaaf b b2 b | ggge A4 | f2 f2 g2 g2 | edef d4 ||  