Palms Trax, Young Marco and Auntie Flo have also joined the bill for three-day event in July.
A total of 13 acts have been added to the Hertfordshire event's bill, with Talabot and Optimo joined by Young Marco, Palms Trax, dBridge, Skeptical and Jasper James, who will go back-to-back with his dad, Sub Club's Harri. Members from UK band Jungle have also been tapped for a DJ set, while live performances come from Auntie Flo, Hackney Colliery Band, Afriquoi and nine-piece outfit K.O.G & The Zongo Brigade. Previously announced names include Ben UFO, Hunee, Jeremy Underground, Helena Hauff and Andrew Weatherall.
Farr Festival 2016 will take place from July 14th through 16th at Bygrave Woods, about 90 minutes outside of London.
Tickets to Farr Festival 2016 are available here on RA.