Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:D
['FED EFG AGE c2 e dcA', 'd cBA Bcd']  
X:1
L:1/8
M:6/8
K:D
 A | FED EFG | AGE c2 e | dcA (e<f)d | ecA A2 G | FED EFG | AGE c2 e | dcA GEA | DED D2 :: d | 
 cBA Bcd | efe e2 d | dcd (e<f)d | ecA A2 d | cBA Bcd | eag e2 d | dcA GEA | DED D2 :|  