It’s been confirmed Grateful Dead memberswill be joined by Phish guitarist, RatDog keyboardistand one-time Grateful Dead memberfor a pair of additional Fare Thee Well -Celebrating 50 Years of Grateful Dead performances at Levi’s Stadium in Santa Clara, California on June 27 and 28.This afternoon at 3 p.m. ET Tales From The Golden Road hostsandwill make a “special” announcement regarding Grateful Dead 50 on SiriusXM’s Grateful Dead channel as they present a special episode of their show, which usually airs on Sundays.

SPECIAL ANNOUNCEMENT!!!Please join hosts Gary Lambert and David Gans for a special edition of Tales from the Golden… Posted by Tales from the Golden Road on Friday, April 10, 2015

The announcement was teased with a Tweet from SiriusXM’s Ari Fink that was Re-Tweeted on the Jam On Twitter feed:

Make sure to tune in to the @SIRIUSXM Grateful Dead Channel (ch.23) at 3pm ET @legslambert and @davidgans have a BIG announcement #Dead50 — AFink (@Finkerton) April 10, 2015

The Grateful Dead channel is Channel 23 on SiriusXM. As of press time there’s no further word on just what the hosts will announce but the Tweet from Fink does include the “#Dead50” hashtag.