Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:6/8
K:D
['', 'AFD DFA Bcd B2 A Bcd', 'D3 f3 dBA Bdd d2 e fef'  
X:1
L:1/8
M:6/8
K:D
 FG |: AFD DFA | Bcd B2 A | Bcd AGF | GFG EFG | AFD DFA | Bcd B2 A | Bcd F2 E | FDD D3 :: f3 dBA | 
 Bdd d2 e | fef def | gfg e2 a | fed B2 d | A2 d F2 A | Bdd F2 E | FDD D3 :|  