Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
M:3/2
K:Emin
['G4 E2 FG AGFE F2 D4 A2', 'g2 f2']  
X:1
L:1/8
M:3/2
K:Emin
 G4 E2 FG AGFE | F2 D4 A2 G2 F2 | G2 GA B3 G FG A2 | B,2 E4 G2 F2 E2 :: e4 ef g2 f2 e2 | 
 f2 d4 a2 g2 f2 | g3 a b2 ag fgfe | B2 e4 G2 F2 E2 :|  