Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:2/4
K:Amin
['EA AB c2']  
X:1
L:1/8
M:2/4
K:Amin
|: E |"Am" EA AB | c2 BA |"Dm" dc BA |"Em" B>A G/F/E |"Am" EA AB | c2 Be |"Dm" d>c"E7" B/c/B/A/ | 
"Am" A3 :: c/d/ |"C" ec ce |"G" dB Bd |"Am" cA A/B/c/A/ |"Em" BE Ec/d/ |"C" e>d c/d/e/c/ | 
"G" d>c B/c/d/B/ |"Am" cB/A/"E7" BA/^G/ |"Am" A3 :|  