Hello,
IMSLP has already deprecated "No Derivatives" and "Non-Commercial" licenses. Although files uploaded under these licenses prior to this policy change remain valid, if you wish to upload a new version of a file licensed under these licenses, you must agree to change its license to a free Creative Commons license (i.e. Creative Commons Attribution-ShareAlike 4.0, Creative Commons Attribution 4.0, or Creative Commons Zero 1.0).
If you agree to change the license, please indicate in your reply which license you would like to choose.
