Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:2/4
K:Edor
['GE E/F/E/D/ B,E', 'ef g2'  
X:1
L:1/8
M:2/4
K:Edor
|: GE E/F/E/D/ | B,E E2 | F/G/F/E/ D>E | FG AB/A/ | GE E/F/E/D/ | B,E E>F | GA B2 | GF D2 :: 
 Be e/f/e/d/ | Be e>d | B/c/d ef | g2 ef | g2 fg/f/ | eB BA | AB E>F |1 GA B>^A :|2 GA B/c/B/A/ ||  