Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/16
M:3/4
K:C
['c2cG E2EG E2C2 c2(cd) e2ef g4 a2(fa)', '(eg)(ec) (eg)(ec)'  
X:1
L:1/16
M:3/4
K:C
 c2cG E2EG E2C2 | c2(cd) e2ef g4 | a2(fa) g2(eg) f2(ed) | c2(Bc) (dc)BA G4 | c2cG E2EG E2C2 | 
 c2(cd) e2ef g4 | a2(fa) g2(eg) f2(ed) | (Bc)dB c8 :: (eg)(ec) (eg)(ec) (eg)(ec) | 
 (Bd)(BG) (Bd)(BG) (Bd)(BG) | (Ac)(AF) (Ac)(AF) (Ac)(AF) | (EG)(EC) (EG)(EC) G,2b2 | 
 a2(fa) g2(eg) f2(ed) | BcdB c4 C4 :|  