The 7th Annual Roots Picnic will take place at the Festival Pier at Penn's Landing on Saturday, May 31st.
Along with Snoop Dogg and The Roots themselves, the lineup includes:
Questlove of The Roots made the announcement via a YouTube video.
Tickets go on sale Friday at noon. They will be available at Ticketmaster.com, Live Nation Box Office, TLA Box Office, Festival Pier (day of show only), Ticketmaster Outlets or by-phone at 1-800-745-3000.
The event's website notes, "Keep in mind, the show has sold out almost every year, so make sure to get your tickets in advance! You won't be sorry!"
More Information: The Roots Picnic