Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:A
['A,2 A AGA', 'e3 edc']  
X:1
L:1/8
M:6/8
K:A
|: A,2 A AGA | BAG A3 | A,2 A AGA | FAE DEF | A,2 A AGA | BAG A2 E | c3 cBc | d2 B GFE :: e3 edc | 
 dcB c2 E | e3 edc | Bcd cBA | e3 edc | dcB c3 | EAA AGA | BcA GFE :|  