Develop a composition incorporating the specified chord progression.
'Em', 'D', 'Em', 'Bm', 'D', 'Em', 'Em', 'D', 'Em', 'Bm', 'D', 'Em'  
X:1
L:1/8
M:6/8
K:Edor
"Em" GEE BEE | GEE BAG |"D" FDD ADD | dcd AGF |"Em" GEE BEE | GEG B2 c |"Bm" dcd"D" AGF | 
"Em" GEE E3 ::"Em" Bc^d e2 f | e2 f e=dB | Bc^d e2 f | e=dB"D" d3 |"Em" Bc^d e2 f | e2 f e=dB | 
"Bm" dcd"D" AGF |"Em" GEE E3 :|  