Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:4/4
K:G
['DD B3 AGFGB D4 z2 DF A3']  
X:1
L:1/8
M:4/4
K:G
 DD | B3 AGFGB | D4 z2 DF | A3 GFAdc | B4 z2 GA | B3 dcBAG | E4 z2 GE | D3 GFAc>B | G4 z2 |]  