Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:G
['A G/G/G B>A BGGB A/A/A e>d eAAB', 'G/G/G g>f gddg e/e/e ag aeef'  
X:1
L:1/8
M:4/4
K:G
 A | G/G/G B>A BGGB | A/A/A e>d eAAB | c2 ce d/c/B/A/ GB | A/B/c BA GE E2 :| A | G/G/G g>f gddg | 
 e/e/e ag aeef | g>age d/c/B/A/ GB | A/B/c BA GEEA | G/G/G g>f gddg | e/e/e ag aeef | gbeg dgBg | 
 A/B/c BA GE E2 ||  