Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:4/4
K:Amin
['e2 dB', 'a2 ga'  
X:1
L:1/8
M:4/4
K:Amin
|: eA (3AAA c2 (c2 | c)Acd e2 dc | eA (3AAA ABcA | BGdG eGef | eA(3AAA c2 (c2 | c)Acd e2 dB | 
 GdBd e2 dB | e2 dB eA (3AAA :: eaag a2 ga | a2 ga c'bag | a2 ga eage | dged Bd e2 | eaag a2 ga | 
 a2 ga c'bac' | ba^gb a^ge^f | ^gedB e2 ed :|  