Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:3/4
K:Emin
['c4 BA B4']  
X:1
L:1/8
M:3/4
K:Emin
 GE | E2 E2 GE | E4 GA/B/ | c4 BA | B4 G>A | B2 Te4 | edcBAG | A4 BG | A3 G E2 | c4 BA | B4 (AG) | 
 E2 E2 G>A | G4 E2 | A4 G>A | B3 A GE | D4 (EF) | E4 ||  