Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:A
['', 'A2 (3cBA', '', 'a2 ag aecA']  
X:1
L:1/8
M:4/4
K:A
 E2 |: A2 (3cBA GBAE | CEAE cAec | B2 FB dBfB | bagf edcB | A2 (3cBA EAcA | ^defg aecA | 
 d2 af ecdB | c2 A2 A2 :| e2 |: a2 ag aecA | a2 ag aecA | d2 fa c2 ea | dcBA BdcB | A2 (3cBA GBAE | 
 CEAE cAec | d2 af ecdB | c2 A2 A2 :|  