Ben Babylon, the son of Elton's late keyboard player, Guy Babylon, will be appearing at the Rock Nations Monster Showcase on December 11.
Special Guest Slash, who used to be in Guns N' Roses, is also on the bill.
The concert, which is to run from noon to 5 p.m., will benefit Shred Kids' Cancer.
It takes place at The Highlands, in Hollywood, California.
Ben will be doing some new originals, and a cover of Queen's Death On Two Legs/I'm In Love With My Car. SLATR, Aubrey Linder, Countervail, Spanish Fly, Vertical Twist, and The Prefix are other acts that will be playing. In addition, some cover bands will take the stage.
Tickets are $12 at Rock Nation Schools ...or $15 at the door.