Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/4=126
M:4/4
K:Cmin
['g2 ^f2 g2', 'cde e/g/f- g/^f/e e/d/c c4']  
X:1
L:1/8
Q:1/4=126
M:4/4
K:Cmin
 Gce |"Cm" g2 g2 ^f2 g2 | ed c3 Gce | g2 g2 ^f2 g2 | =ab"G7" g3 g=a=b |"Cm" c'2 g2 ^f2 g2 | 
 ed c3 cde |"Fm" e/g/f- fe"G7" g/^f/e e/d/c |"Cm" c4 z :: B"Bb"eg |"Eb" b2 b2 =a2 b2 | gf e3 Beg | 
 b2 b2 =a2 b2 |"Eb" c'^c' b3 b"Bb"c'd' |"Eb" e'2 b2 =a2 b2 | gf e3 cde | 
"Fm" e/g/f- fe"G7" g/^f/e e/d/c |"Cm" c4 z :|  