Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:2/4
K:Emin
['GE ED B,E', 'Be e/f/e/d/ Be']  
X:1
L:1/8
M:2/4
K:Emin
|: GE ED | B,E E>G | FD DE | FG AB/A/ | GE ED | B,E E>F | GA B>A | GF E2 :: Be e/f/e/d/ | 
 Be e/f/e/d/ | Be e(f | f)g ef | gb/g/ fg/f/ | eB BA | BB E>F | GA B/d/B/A/ :|  