Standard SoundFonts have dry samples. The Orpheus 2 Exclusive utilized a clever trick: it used short decay samples but programmed a pseudo-convolution reverb into the instrument envelopes. This gave the sound a "hall" quality without eating CPU resources, which was vital for running 64 tracks of MIDI on a Pentium III.
It works across almost all DAWs (Ableton, FL Studio, Reaper, Logic) and even some standalone hardware synths. How to Get the Best Out of Orpheus 2 orpheus 2 soundfont exclusive
The Orpheus 2 Soundfont Exclusive requires a computer with the following specifications: Standard SoundFonts have dry samples