Compose music by following the designated structure and integrating the suggested musical idea.
X:1
L:1/8
M:4/4
K:G
['DGGB AGEG DGGB e2 dB d2 gf', 'G2 ga bgfg egdB cBAG FGAB BGBd'  
X:1
L:1/8
M:4/4
K:G
|: D2 | DGGB AGEG | DGGB e2 dB | d2 gf edcB | cBce dBAG | DGGB AGEG | DGGB e2 dB | d2 gf edcB | 
 dcAB G2 :: ga | bgfg egdB | cBAG FGAB | BGBd eceg | agfe d2 BA | .G(gfg) .e(gfg) | 
 .d(gfg) .b(gfg) | dgfe dcBA | G2 G2 G2 :|  