The special weekend of online music is set to broadcast through the event’s official YouTube channel.
This year’s event was called off due to the coronavirus pandemic, but many of the names that were booked for 2020 will now appear in 2021.
The Southern Rock legends have been announced as one of the headliners for next year’s festival.
Next year's festival will take place at Mote Park, Maidstone, Kent, on 17, 18 and 19 July 2020.
Elliott says, "I’m extremely proud of what we’ve achieved with this album", the follow up to 2014's 'The Further Adventures Of...'