Compose music by following the designated structure and integrating the suggested musical idea.
X:1
L:1/8
M:2/4
K:G
['D B2 AA G2 FD GGB/A/G/A/ B2']  
X:1
L:1/8
M:2/4
K:G
 D | B2 AA | G2 FD | GGB/A/G/A/ | B2 z D | B2 AA | G2 FD | GGB/A/G/A/ | B2 z G/A/ | BBcB | BAAA | 
 GGAG | GFFE/F/ | GGAA | B2 cB | A4 | G2 z |]  