this is what i commonly see - 3 layers brass in piano roll,2 down 4 up,for "screaming" effect,try place above "level 4,5"
after tried copying settings from sources i found...here i made 4 bank in synth1... you can tweak for more unique sounds..hope it's helpful
http://www71.zippyshare.com/v/17572501/file.html