Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:C
['G2 GA cded cA A2 cAAG EG', 'decd egge gedg eaag a2'  
X:1
L:1/8
M:4/4
K:C
 G2 GA cded | cA A2 cAAG | EG G2 cdeg | gece decA | G2 GA cded | cA A2 cAAG | EG G2 cdeg | 
 gece decd || egge gedg | eaag a2 ag | egge g2 eg | agec decd | egge gedg | eaag a2 aa | 
 gede cdea | gece decA ||  