also, you might want to turn the attack to 0 on the volume envelope, and (if possible) modulate the sustain/decay/hold/release as the song progressses (for a live feel) or set the hold to about 30 ms, the decay from 20-50 ms, and sustain level around 70%, but watch the release time, because if the notes are played together quickly, a release will make it sound fake, so possibly modulate the release as needed (i don't know quite whereat, because i really came up with this on the fly)