Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:2/4
K:G
['G>A BB cA B2 BA', 'e2 d>d cd B2 BA'  
X:1
L:1/8
M:2/4
K:G
 G>A BB | cA B2 | BA AG/A/ | BA A2 | G>A BB | cA B2 | BA dd | G2 G2 :: e2 d>d | cd B2 | BA AG/A/ | 
 BA A2 | e2 d>d | cd B2 | BA dd | G2 G2 :|  