Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:6/8
K:Amix
['eaa gag e3 ded cAG E3', 'gec d3']  
X:1
L:1/8
M:6/8
K:Amix
 eaa gag | e3 ded | cAG E3 | EGB =cBA | eaa gag | e3 ded | cAG E3 | GA=c A3 :| =cAG A^ce | 
 faf gec | d3 =cAG | EGB =cBA | faf g2 a | bge fga | gec d3 | GA=c A3 :|  