Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/2
K:C
['(a/g/f/e/) (cg)', '(E/F/G) (cG)'  
X:1
L:1/8
M:2/2
K:C
 g | (a/g/f/e/) (cg) egcg | (a/g/f/e/) (cg) eddg | (a/g/f/e/) (cg) egde | c>AGE C/C/C C :| F | 
 (E/F/G) (cG) AGcG | (E/F/G) (ce) dDDF | (EF/G/) (cG) EGca | gede c/c/c (cG) | (E/F/G) (cG) AGcG | 
 (E/F/G) (ce) eDDF | (E/F/G) (cG) EGca | gede c/c/c c ||  