GR-55: Artist and Collection Patches and Librarian
GR-55 Artist and Collection PATCHES can be found in the link bellow.
http://www.rolandus.com/go/gr-55_artist_patches/
Download and install the GR-55 LIBRARIAN application. Use the LIBRARIAN application to load and transfer PATCHES to and from the GR-55. The LIBRARIAN download will provide instructions for uploading and offloading PATCHES to and from the GR-55.
Roland - GR-55 | Guitar Synthesizer