Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
Q:3/8=110
M:6/8
K:Edor
['e2 f', 'f e2 f edB dcd AGF GEE']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:Edor
"Em" GEE BEE | GEE BAG |"D" FDD ADD | dcd AGF |"Em" GEE BEE | GEG B2 c |"D" dcd AGF |"Em" GEE E3 :: 
"Em" Bcd e2 f | e2 f edB | Bcd e2 f | edB"D" d3 |"Em" Bcd e2 f | e2 f edB |"D" dcd AGF | 
"Em" GEE E3 :|  