Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:2/4
K:G
['A2 Bc d2 B2 Bd cB A4', 'E4 A2 BB A2 Bc dA Bc'  
X:1
L:1/8
M:2/4
K:G
|: A2 Bc | d2 B2 | Bd cB | A4 | A2 AA | AB A/G/F | GF ED | E4 || | A2 BB | A2 Bc | dA Bc | d4 | 
 d>c BA | B/A/G/F/ EA | DG FE | D4 :|  