Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/8=280
M:4/4
K:D
['FEED FGAF G2 Dg fdec', 'fa dafa', 'AdAF GBAG FEED FGAF D2 Dg'  
X:1
L:1/8
Q:1/8=280
M:4/4
K:D
"^A" AG |S FADA FADF | ABAG FEED | FGAF G2 Dg | fdec dABG | FEDF AdAF | GBAG FEED | FGAF G2 Dg | 
 fdec defg ||"^B" (3aba fa dafa | (3gag eg =cge^g | a2 fa dafa | gbag fdfg | (3aba fa dafa | 
 (3gag eg =cgeg | fage fde^c |1 dABG FDD^g :|2 dBAG FDDG ||"^C" FEDF AdAF | GBAG FEED | 
 FGAF D2 Dg | fdec dABG | FEDF AdAF | GBAG FEED | FGAF D2 Dg | fdec dABG"_ds" ||  