Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/16
M:2/4
K:C
['c2)GG AAEF', 'BABc B2({c}BA)'  
X:1
L:1/16
M:2/4
K:C
 (3(vGAB |"C" c2)GG AAEF | G6 (vAB | c2)GG AAEE |"G" F2 F4 (vBc | d)cde d2(dc) | BABc B2(BA) | 
 GGGG A2G2 |"C" E6 (3(GAB | c2)GG AAEF | G2 G4({G} ED) | vC2C2 D2E2 |"F" F6 (Bc) | 
"G" d^cde d2(d=c) | BABc B2({c}BA) | GGGG A2B2 |"C" c6 :: (ef | g2) g4 (fe) | c6 (ef) | g2g2 f2d2 | 
"F" A6 (de) |"G" fefg fedc | BABc B2({c}BA) | G2G2 A2G2 |"C" E6 (ef | g2) g4 (fe) | c6 (ef) | 
 g2g2 f2d2 |"F" A6 (Bc) |"G" d^cde d2(d=c) | BABc B2({c}BA) | GGGG A2B2 |"C" c6 :|  