Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:9/8
K:G
['B3 BAB c2', 'G e3 edc Bcd e2 A A2'  
X:1
L:1/8
M:9/8
K:G
|: B3 BAB c2 A | B3 dBG A2 G | B3 BAB c2 e | dBG G2 B A2 G :: e3 edc Bcd | e2 A A2 B c2 e | 
 def gfe def | g2 G G2 B A2 G :|  