Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:2/2
K:Amin
['A>B d2', 'e>^f g2'  
X:1
L:1/8
M:2/2
K:Amin
 A>B d2 Bd e2 | A>B d2 e>dBG | ABd<d B>d e2 | dB B2 A>BAG :| e>^f g2 f>g a2 | e>^f g2 a>gfd | 
 e>^f g2 f>g a2 | e>d B2 A>GA>G | e>^f g2 f>g a2 | e>^f g2 agfd | e>^fge fd e2 | d>B B2 A>GAG ||  