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Roland D-50/D-550 patches contained within Sysex files can be read by the D50 Librarian. In addition to this new Sysex files can be created using patches from other Sysex files or the D50 Librarian's own internal library.
Patches can be rearranged, renamed as well as copied into new Sysex files.
Every parameter within a patch can be editted using the graphical user interface which includes intuitive slider and envelope controls. Parameters are split down by their appropriate group (e.g. common parameters, tone parameters and partial parameters)
Patches can even be sent to the D-50/D-550 using a single click.