License for samples: CC BY-NC
License for everything else: CC0
License for musicians using this to make music: CC0

Details:

This sample set is provided free for use as a musical instrument.
You can use the sounds in any way in your works as an artist,
just as you could with a real instrument.

To distribute the samples themselves, such as in an application, software instrument, 
or as a sample set, the jRhodes samples are licensed under CC BY-NC 4.0. To view a
copy of this license, visit https://creativecommons.org/licenses/by-nc/4.0 .

    BY: Credit must be given to the creator.
    NC: Only noncommercial use of the work is permitted.

To use the samples in a commercial product, please contact me and I will be happy to
grant a license.

jjlearman@gmail.com

Control files and example clips are in the public domain using CC0:
"To the extent possible under law, Jeffrey Learman has waived all copyright and related
or neighboring rights to jRhodes control files and example clips.
This work is published from: United States."