Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:6/8
K:G
['BAB G2 D GAG', 'B2 d de(d d)e d2'  
X:1
L:1/8
M:6/8
K:G
|: BAB G2 D | GAG Gdc | BAB GFG | A2 B c2 A | BAB G2 D | GAG GBc | ded dcB | A2 B c2 A :: 
 B2 d de(d | d)e d2 ed | B2 d2 e d | e2 f g3 | B2 d de(d | d)e d2 ef | gfe dcB | A2 B c2 A :|  