Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:4/4
K:Ador
['cBAB E2 ED EFGE', 'ABcd eaag edcd eggf g3 e aece']  
X:1
L:1/8
M:4/4
K:Ador
|: e2 AB cBAB | E2 ED EFGE | Aeed e2 dc | B2 BA GABG | eA A2 cBAB | E2 ED EFGE | AEcE BAGB | 
 A2 AG ABcd :: eaag edcd | eggf g3 e | aece ABcA | Bgge d2 cd | e2 ag edcd | B2 gf g3 ^g | 
 aecA f2 ed | cAAG ABcd :|  