Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:C
['AG G2', 'dg g2 ag g2'  
X:1
L:1/8
M:4/4
K:C
 G3 c AGFG | AG G2 Ad{e}dc | AcGc AFDE | FEFG Ad{e}dc | AG G2 AGFG | AG G2 A2 dc | AcGc AFDE | 
 F2 z G ABcA || dg g2 ag g2 | dg{a}ge fdcA | dg g2 ag g2 | d3 e fdcA | dg g2 ag g2 | abag f3 g | 
 (3ag^f{a} ge fdcA | d^cde fdcA ||  