Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
Q:1/4=120
M:2/2
K:D
['FG ABAF A2 de fgfe dcBA dcdB', 'A2 de'  
X:1
L:1/8
Q:1/4=120
M:2/2
K:D
 FG | ABAF A2 de | fgfe dcBA | dcdB ABAF | G2 E2 E2 FG | ABAF A2 de | fgfe dcBA | dcdB ABAG | 
 F2 D2 D2 :: A2 | defg a2 ef | gfed dcBA | efec A2 de | f2 e2 e2 FG | ABAF A2 de | fgfe dcBA | 
 dcdB ABAG | F2 D2 D2 :|  