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:D
['FF/E/ FdAe dc/B/ AGFE aFgEfD', 'dc/B/ AGFE']  
X:1
L:1/8
M:3/4
K:D
 FF/E/ FdAe | dc/B/ AGFE | aFgEfD | cBAG AG/F/ | FF/E/ FdAe | dc/B/ AGFE | aFgEfD | GF/E/ F2 F2 :: 
 dA/F/ f2 e2 | dc/B/ AGFE | DE/F/ GFED | EBAG AG/F/ | FF/E/ FdAe | dc/B/ AGFE | aFgEfD | 
 GF/E/ F2 F2 :|  