Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
M:6/8
K:G
['', 'D GAG GBd ded dBG ABc BAG', 'd def gag fed'  
X:1
L:1/8
M:6/8
K:G
"^A" D |: GAG GBd | ded dBG | ABc BAG |1 EFE E2 D :|2 E2 F G2 ||"^B" d | def gag | fed e2 d | 
 def gag | fed e2 d | def gag | fed efg ||  