Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:Dmix
['cAGF G2', 'Gggf g2'  
X:1
L:1/8
M:4/4
K:Dmix
 ed | cAGF G2 AF | DGBG dGBd | cAGF G2 eg | fdcA dfed | cAGF G2 AF | DGBd c2 BA | FGAB cdeg | 
 fdcA d2 || cA | Gggf g2 ag | fdeg fdcA | Gggf g2 eg | fdcA BGAF | Gggf g2 fg | abaf g2 fg | 
 afge fdfd | cAGA f2 ||  