Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
M:2/4
K:D
['FA GB Af fa ge', 'FA GE'  
X:1
L:1/8
M:2/4
K:D
|: FA GB | Af fa | ge ef | ed BA | FA GB | Af fa | ge a/b/a/g/ |1 fd dA :|2 fd dc |: d2 Bc/B/ | 
 AF FA | GE EG | FD F/G/A | d2 Bc/B/ | AF FA | GE ef/e/ |1 df dc :|2 df dA ||  