Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:G
['G3 B', 'dGBA GABd'  
X:1
L:1/8
M:4/4
K:G
 G3 B d2 Bd | edBe dBAB | G3 B d3 B | AEGE DGBA | G3 B d2 Bd | edBA GABd | edcB cdef | gedB AGAB :| 
 g3 b a2 ge | dGBA GABd | g3 a gedg | eaag a2 ga | b2 gb abge | dGBA GABd | edcB cdef | 
 gedB AGAB :|  