Mitchell has suffered a number of health problems in recent years.
Neil Young, Joni Mitchell and more have had their music removed from the streamer.
The streaming service is under fire for siding with podcaster Joe Rogan over the objections of Neil Young and others.
The Canadian-born singer claims he has passed his US citizenship test, but must take another one.
The godfather of modern music played his set his own way and some fans didn't like it.