Here is an excerpt from the "About" section of the above link:

"Dear Jean - Artists Celebrate Jean Ritchie brings together a diverse group of musicians to honor the "mother of folk music," Jean Ritchie.

Description
For the past two years, folk artists from around the world have been gathering in studios to honor Jean Ritchie. The result of their efforts is a 2 CD set of new recordings, featuring a diverse array of musicians - older, younger, well known and just emerging on the scene. Each track honors Jean Ritchie and the music she has brought to so many of us.

Produced by Mick Lane, Charlie Pilzer and Dan Schatz, Dear Jean will be released on Compass Records September 2, 2014."