If you cannot find the original, don't despair. The spirit of the Sonivox 250GB lives on in:
Are you trying to into a specific DAW (like FL Studio, Ableton, or Logic)? sonivox 250mb gm soundfont hit
: It proved that General MIDI didn't have to sound cheap. It brought Hollywood-quality samples to the average consumer's desktop. If you cannot find the original, don't despair