You can download GR-55 188.8.131.52 from our software library for free. This free software is a product of Roland Corporation. Our built-in antivirus scanned this download and rated it as virus free. The program is included in Multimedia Tools.
From the developer:
GR-55 is a professional audio synthesizer for Windows OS.
You may want to check out more software, such as GR-55FloorBoard, which might be related to GR-55.