Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
Q:1/8=180
M:6/8
K:D
['FAD FED', 'd2 e f2 d edB BAF', 'A dcd efg fed cBA BdB'  
X:1
L:1/8
Q:1/8=180
M:6/8
K:D
|: A/G/ | FAD FED | FAD FED | GBG FAF | EFE EFG | FAD FED | FAD FED | dcB AFA | DED D2 :: A | 
 d2 e f2 d | edB BAF | ABA ABd | efd edB | d2 e f2 d | edB BAF | dcB AFA | DED D2 :: A | dcd efg | 
 fed cBA | BdB AFD | EFE E2 A | dcd efg | fed cBA | BdB AFA | DED D2 :|  