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:4/4
K:Emin
['E2 B2 e d2 A- ABDE FGAB', 'GGED E2 cA-']  
X:1
L:1/8
M:4/4
K:Emin
|: E2 B2 e d2 A- | ABDE FGAB | EBeB fBgf- | fgef g b2 E- | E2 B2 e d2 A- | ABDE FGAB | eBgf- fgeg | 
 fgeg fedB :: GGED E2 cA- | AAAG FGAB | GGED E2 cA- | AGAB d4 | GGED E2 cA- | AAAG FGAd | 
 BBAG A2 GE- | EEDE G E3 :|  