Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:2/4
K:Edor
['BE GE', 'ef gf ed'  
X:1
L:1/8
M:2/4
K:Edor
|: D | E>F G/F/E | BE GE | BE GB | AD- DF | E>F GE | BE GE | A>B AG | FD- D :| =c | B>e ef | 
 g/f/e fd | c>e ef | g/a/g/f/ ed | Be- ef | gf ed | cA Ae/d/ | cA Ac | B>e ef | g/a/g/f/ ed | 
 ce ef | gf ed | Be- ef | gf ed | B/c/d AF | GE z ||  