Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:6/8
K:G
['d2 B']  
X:1
L:1/8
M:6/8
K:G
 GA | B2 D DED | E2 G G2 e | d2 B BAG | B2 A AGA | B2 D DED | E2 G G2 e | d2 B AGA |1 G3 G2 A :|2 
 G3 G2 B | d2 d dBd | e2 g gfe | d2 B BAG | B2 A ABc | d2 d def | g2 g gfe | d2 B AGA ||1 
 G3 G2 B :|  