Jam On the River will return to Philaelphia’s Penn’s Landing on May 25 and will boast the likes of Lotus, GRiZ, Papadosio, Conspirator, Zoogma and Grimace Federation. Following a six-year hiatus, the festival will return to River Stage at Great Plaza due to overwhelming demand.

Tickets for Jam On the River will go on sale March 21 via Ticketmaster.com, Live Nation Box Office, venue box office (day of show only), Ticketmaster outlets or by phone at 800-745-3000.

Past Jam On the River’s featured the likes of Bob Weir, Dr. Dog, Bassnectar, Ween, The Avett Brothers, John Butler Trio and many more.