Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:6/8
K:D
['F3 FED FAA AFA']  
X:1
L:1/8
M:6/8
K:D
 F3 FED | FAA AFA | B3 BAF | AFE EDE | F3 FED | FAA AFA | BAB dcd | fec d2 A | F3 FED | FAA AFA | 
 B3 BAF | AFE EDE | F3 FED | FAA AFA | BAB dcd | fec d2 e | f3 fed | faf fed | a3 fed | e2 e ede | 
 f3 fbf | ede fed | gfe dag | fec d2 e | f3 fed | faf fed | a3 fed | e2 e ede | g3 f3 | ede fed | 
 gfe dcB | Adc dcB |]  