The Virtual Hardware Paradigm: Preserving the Roland Sound Canvas Legacy Through SoundFont 2 Conversion
If you own a hardware SC-55 or SC-88 (available used for $150-$300): roland sound canvas sf2 work
This is an obscure trick from the 90s. The Sound Canvas output had a slight high-cut filter around 16kHz and a bump at 80Hz. If your SF2 sounds too "clean" or "digital," use an EQ to gently shelf off the top end above 12kHz. That "dark" sound is the authentic SC-55 vibe. Title: The Virtual Hardware Paradigm: Preserving the Roland