Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:2/4
K:G
['DG GA Bc A2 BG AG F/E/D', 'ed B/^c/d ef gB A2 B/^c/d ed'  
X:1
L:1/8
M:2/4
K:G
|: DG GA | Bc A2 | BG AG | F/E/D D2 | dB c/B/A | BG FD | d2 dc |1 AG GE :|2 AG GA |: B/^c/d ed | 
 e=f ed | B/^c/d ef | gB A2 | B/^c/d ed | e=f ed | g>e dB |1 AG GA :|2 AG GE ||  