Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:G
['G F']  
X:1
L:1/8
M:4/4
K:G
 D G B e | d c B G | F c B A | G F G2 | D G B e | d c B G | F c B A | G F G2 | F E D E | F B A G | 
 F E D C | B, C D2 | d c B A | G F G D | E c B A | G F G2 |]  