Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:6/8
K:Amin
['EAA AGA', 'Add dcd efe edc']  
X:1
L:1/8
M:6/8
K:Amin
|: E2 A AGA | c3 cAG | EAA AGA | d3 dAG | EAA AGA | efe edc | dcA cAG | ABA A2 G :: Add dcd | 
 efe edc | ABA AGA | c3 cAG | Add dcd | efe edc | dcA cAG | ABA A2 G :|  