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:Ador
['cB AGAB AGEG AGAB cBcd (3efg fa', '(3efg a2 ab ageg agab a2 ge']  
X:1
L:1/8
M:4/4
K:Ador
|: cB | AGAB AGEG | AGAB cBcd | (3efg fa gedc | B2 G2 G2 cB | AGAB AGEG | AGAB cBcd | 
 (3efg fa gedB | c2 A2 A2 :: (3efg | a2 ab ageg | agab a2 ge | dega gedc | B2 G2 G2 |1 (3efg | 
 a2 ab ageg | agab a2 ge | dega gedB | c2 A2 A2 :|2 cB | AGAB AGEG | AGAB cBcd | (3efg fa gedB | 
 c2 A2 A2 ||  