Jones revealed his battle with Parkinson's disease earlier this year.
The guitar legend says he's "speechless" after hearing the news.
The Ozzman will cometh to the ceremony -- but will he perform?
The ceremony takes place Oct. 19 in Cleveland, Ohio.
Become an inaugural partner in the BMAC Music Maker Guaranteed Income and Mentorship Program.
Green Day, TLC, Jelly Roll, Lainey Wilson and Tate McRae will also perform on the April 1 show.
Ferrell is currently on the road for Porno For Pyros' farewell tour -- which might not be so final after all.
Some are Grammy royalty. Some are far from it.
This marks the iconic rocker's first nomination as a solo artist.
Here's how we handicap this year's Rock & Roll Hall of Fame class and their chances of induction.
