Compose music that adheres to the provided musical structure and theme.
X:1
L:1/8
M:2/2
K:G
['B2 z']  
X:1
L:1/8
M:2/2
K:G
 _B_B _B- | BB BB GG ED | GE G_B-B B2 B- | BB GE G2 ED | GE G (E D2) z A | _BB GE GG GE | 
 GE G _B- B2 z ^c | d2 dd d2 d2 | dG _BB-B GA B- | B2 G4 ED | G B2 z B2 z E | GG G (E D2) z2 | 
 _BB BB BA GG | (_BA) G=B-B d2 d- |[M:3/2] dd eB dd eB d(_BA) G- |[M:2/2] G8 |]  