Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:Dmix
['GE DEGA', 'Bdeg dG (3GGG GABd'  
X:1
L:1/8
M:4/4
K:Dmix
 | DEGA BG G2 | BGdB AB GE | DEGA Beed | BAAB A2 GE | DEGA BG G2 | BGdB AB GE | DEGA Beed | 
 BAAB A2 Bd || eA (3AAA Bdeg | dG (3GGG GABd | eA (3AAA Bdeg | dBGB A2 (3cBA | eA (3AAA Bdeg | 
 dG (3GGG GABd | eg g2 edea | gedB ABGE ||  