Roland Sc88 Pro Soundfont [exclusive] -

Due to copyright and proprietary technology (their proprietary "Structure Adaptive Processing" and custom DSP chips), Roland kept their samples encrypted. Therefore, any available online is reverse-engineered, user-sampled, or a conversion from other formats (like the Sondius-XG).

The SC-88 Pro boasted:

Since the original hardware relies on a custom ROM chip and proprietary effects processors, creating a perfect SoundFont replica is a "labor of love". Below are some of the most highly-regarded versions: Roland SC-88 Pro | Nintendo | Fandom roland sc88 pro soundfont