Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:3/4
K:Amin
['EE A2 cc ee B2 d2 cB', 'E4 EE A2 B2 cd e2 d2']  
X:1
L:1/8
M:3/4
K:Amin
 EE A2 cc | ee B2 d2 | cB (Ac) BA | ^G2 E4 :: EE A2 B2 | cd e2 d2 | cB Ac B^G | A2 A4 :|  