Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/8
M:4/4
K:G
['BAGB A2']  
X:1
L:1/8
M:4/4
K:G
 ge | d B3 BAGB | A2 FA EA D2 | E2 cA dcBd | BAGB A2 ge | d B3 BAGB | A2 FA EA D2 | E2 cA BAGB |1 
 AGFA G2 ge ||2 AGFA G2 Bc | dgge dcBd | cBAG A3 B | cdeg f2 af | gedB c2 Bc | dgge dcBd | 
 cBAG A2 AB | cdeg fgaf ||1 g3 f g2 Bc ||  