Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:6/8
K:C
['ecA ABA', 'eca eca']  
X:1
L:1/8
M:6/8
K:C
[K:A] !>!cd | ecA ABA | ecA ABA | FdB Bed | cBA GFE | ecA ABA | ecA ABA | FdB Ged | cdB A :: cd | 
 eca eca | eca ecA | dcd Bfg | dBB Bcd | eca eca | eca efg | agf eca | ecA A :|  