Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
['G2 F2', '(FG) A2 B2 (cd) (ef) c2 B2'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
 E | A2"^tr" B2 c2 d2 | (ed) (cd) B2 z B | (cB) eB (cB) eA |1 G2 F2 E3 :|2 G2 F2 E4 |: 
 AE F=G F3 F | (BF) (GA) G2 (FG) | A2 B2 (cd) (ef) | c2 B2 A4 :|  