Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:3/4
K:C
['ec eg gg'  
X:1
L:1/8
M:3/4
K:C
"C" ec eg"G7" df |"C" ec eg gg |"G7" dB dg gf |"C" ec eg gg | ec eg"G7" df |"C" ec eg gg | 
"G7" fe dc Bd |"C" c2 c2"_fine" z2 ::"F" A2 Af ed |"C" e2 e2 dc |"G7" d2 d2 cB |"C" c2 ce dc | 
"F" A2 Af ed |"C" e2 e2 dc |"G7" d2 d2 cB |"_d.c.""C" c6 :|  