Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/2=104
M:2/2
K:G
['Tg2 (bg) afge g2 (bg) af g2', '(B/c/d) (BG)'  
X:1
L:1/8
Q:1/2=104
M:2/2
K:G
 Tg2 (bg) afge | g2 (bg) af g2 | Tg2 bg afge | =fdcf AFcA :| (B/c/d) (BG) ecdc | 
 (B/c/d) (BG) gB d2 | (B/c/d) (BG) ecdc | cAFA =fA c2 :|  