Create music compositions that adhere to the given structure and incorporate the provided musical concept.
X:1
L:1/8
M:2/4
K:G
['D GGGB G>DDB G2 z B BBBB']  
X:1
L:1/8
M:2/4
K:G
 D | GGGB | G>DDB | G2 z B | BBBB | B>AG z | AAAA | GBdB | cccc | B>B B2 | AAAA | G2 z |]  