Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
M:2/4
K:Edor
['E>F GF Ee dB GB AF', 'Be ef gf ed']  
X:1
L:1/8
M:2/4
K:Edor
 E>F GF | Ee dB | GB AF | EF F2 | E>F GF | Ee dB | GB AF | FE E2 :| Be ef | gf ed | Bd d>e | 
 dc BA | Be ef | gf ed | GB AF | FE E2 :|  