Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:A
['A2 (cA)', 'Aaga fedc'  
X:1
L:1/8
M:4/4
K:A
 E | A2 (cA) GABc | dFBA GBEG | A2 (cA) Bcdf | ecdB A/A/A A :: B | Aaga fedc | dFBA GBEG |1 
 Aaga fedc | dfec A/A/A A :|2 AcBd cedf | ecdB A/A/A A ||  