Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:6/8
K:D
['FAA A2', "d2 a a^ga d'2 a f3 d2"  
X:1
L:1/8
M:6/8
K:D
 A/G/ | FAA A2 d | B<Gd A2 G | FAA A2 g | f3 e2 A/G/ | FAA A2 d | BGd A2 e/g/ | afa gec | ddd d2 :| 
 a | a^ga d'2 a | f3 d2 f | efe a2 e | c3 ABc | d3 Bcd | e3 cde | fga agf | fed cBA ||  