WXPN is Philadelphia will honor the Grateful Dead’s 50th anniversary with 24 hours of Dead tunes tomorrow. The radio station, which can be found on 88.5 FM in the Philadelphia area, will kick off the celebration at 6am on Friday, April 17.

Tomorrow’s episode of Free At Noon will feature covers of full Grateful Dead album from local acts, with Mason Porter performing Workingman’s Dead and Chris Kasper Band putting their spin on American Beauty. XPN’s GM Roger LeMay and Dan Reed will then DJ from 4 to 7pm, while former XPN host Jack Barton will take over from 7pm to midnight. Finally, Grateful Dead Hour host David Gans will curate a marathon of classic Dead Hours from midnight until 6am on Saturday morning.

Fans that do not live in the Philly region will be able to listen to WXPN’s “Day of the Dead” via the via the station’s online streaming platform.