Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
M:4/4
K:A
['eaga eaed ceAe dcBA', 'eAce Aced ceAe AcBA']  
X:1
L:1/8
M:4/4
K:A
|: cd | eaga eaed | ceAe dcBA | d=gfa ged=c | B=GdG BdGB | eaga eaed | ceAe dcBA | cacA B=gBG | 
 AAB=G AB :: cd | eAce Aced | ceAe AcBA | eAce ABcA | B=GdG BdGB | eAce Aced | ceAe AcBA | 
 cacA B=gBG | AAB=G AB :|  