Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:6/8
K:G
['D G2 B BAB c2 A ABc', 'd2 d d2 B c2 B'  
X:1
L:1/8
M:6/8
K:G
 D | G2 B BAB | c2 A ABc | ded cBA | B2 G G2 :| z | d2 d d2 B | c2 B B2 A | d2 d d2 B | c2 B A2 D | 
 G2 B BAB | c2 A ABc | ded cBA | B2 G G2 :|  