Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/8
M:4/4
K:G
['B2 G2'  
X:1
L:1/8
M:4/4
K:G
|:"G" D2 GF GABG |"F" AG =F2 F2 FE |"D" D2 d2 dedc |1"G" B2 G2 G2 GE :|2"G" B2 G2 G2 Bc |: 
"G" d2 g2 gag=f |"C" e2 c2 c2 cB |"A" A2 a2 abag |"D" f2 d2 d2 Bc |"G" d2 g2 gag=f | 
"C" e2 c2 c2 cB |"D" AGFE DFAc ||1"G" B2 G2 G2 Bc :|2"G" B2 G2 G4 |]  