Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/2
K:G
['g2 bg afge', 'G B DGB,D G,B,DG BdgB A/A/A Af'  
X:1
L:1/8
M:2/2
K:G
 d | g2 bg afge | dBgB aAAf | g2 bg afge | dBcA G/G/G G :: B | DGB,D G,B,DG | BdgB A/A/A Af | 
 gdbg afge | dBcA G/G/G G :|  