Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/16
Q:1/8=160
M:12/16
K:G
['G2A B3', 'B>AG B<dd-d2 B A>BA A2 B c2'  
X:1
L:1/16
Q:1/8=160
M:12/16
K:G
|:"^A" G3 G2A B3 B3 | A2B cBA G2A B3 | G3 G2A B3 B3 | A2B cBA G6 ::[M:6/8][Q:1/4=3]"^B" B>AG B>AG | 
 B<dd-d2 B | A>BA A2 B | c2 d e>dc | B>AG B<dB |[M:9/8] A>Bc def g3 :|  