Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:D
['d2 e fdB', 'A BcB BAF ABc dcB', 'f g3 f3 ede fdB']  
X:1
L:1/8
M:6/8
K:D
 A | d2 e fdB | d2 e fdB | AFE EFA | AFE E2 A | d2 e fdB | d2 e fdB | AFD DED | AFD D2 :| A | 
 BcB BAF | ABc dcB | AFE EFA | AFE E2 A | BcB BAF | ABc dcB | AFD DED | AFD D2 :| f | g3 f3 | 
 ede fdB | AFE EFA | AFE E2 f | g3 f3 | ede fdB | AFD DED | AFD D2 :|  