Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:G
['F GA B3 A BedB', 'z d'  
X:1
L:1/8
M:4/4
K:G
"^Moderate" F GA | B3 A BedB | AG E2 z G Bc | d3 e dBGB | A4 z F GA | B3 A BedB | AGED EFGA | 
 B3 c BAGA | G4 z || d ef | g3 f fedB | dB G2 z d ef | g3 f fedB | A4 z d dd | b3 a ageg | 
 dB G2 z F GA | BedB AGEF | (G4 G) ||  