Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
Q:1/8=80
M:6/8
K:Amin
['cea cea']  
X:1
L:1/8
Q:1/8=80
M:6/8
K:Amin
 c/B/ | cea cea | cea A2 d/c/ | Bdg Bdg | Bdg G2 c/B/ | cea cea | cea g2 e | dBG A>Bc/d/ | 
 e>dc/B/ A2 :|  