Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/4
Q:1/8=160
M:4/4
K:Gmin
['G A', 'G A'  
X:1
L:1/4
Q:1/8=160
M:4/4
K:Gmin
 A A D2 | ^F3/2 G/ A c | B G G A | B c/B/ A G | A A D2 | ^F3/2 G/ A c | B G G A | B c/B/ A G :: 
 A A f2 | =e f g f/e/ | d d g a | b c'/b/ a g | f f f2 | ^F3/2 g/ A3/2 c/ | B G G A | B c/B/ A G :|  