Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/4
M:2/2
K:Edor
['B2 B A', 'd B']  
X:1
L:1/4
M:2/2
K:Edor
|: B2 B A | F A D A | B2 B A | B d e d | B2 B A | F A D3/2 E/ | F D A F | E2 E2 :: B e e3/2 f/ | 
 e d B A | B e e3/2 f/ | e d B c | d3/2 e/ d B | A F D3/2 E/ | F D A F | E2 E2 :|  