Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/4
K:C
['GGAA GFEC GGAA GF E2 GGAA G2']  
X:1
L:1/8
M:2/4
K:C
 GGAA | GFEC | GGAA | GF E2 | GGAA | G2 EC | GGA/A/A | G2 E(3c/c/c/ | c4 |]  