Late heavy metal icon Ronnie James Dio is set to tour again in hologram form, with the Dio Returns world tour kicking off in Helsinki on Nov. 30 and continuing in the U.S. in the spring.

Sebastian Bach wrote online that he’s “crying right now in remembrance of my hero and friend, Ronnie James Dio. He was a major, major part of my life. I got to do shows with him and work with ...