They join previously announced artists including Ghetts, The Streets, Jon Batiste and Lola Young
The first wave of names for this year's edition include The Streets, Lola Young, Ghetts and more
Other acts on the huge bill include The Smashing Pumpkins, Duran Duran and Massive Attack
Other guest performers included Jack Antonoff and Jon Batiste
The letter, which has over 200 signatures from musicians, calls for protection against the "use of AI to steal professional artists' voices and likeness, violate creators' rights, and destroy the music ecosystem"
"Let's liberate ourselves from genre and break the barriers that marginalise who we are and the art that we create"
The festival's daily line-ups have also been revealed
The singer-songwriter was nominated for Best Original Song at this year's ceremony
Lennox also used the moment to call for “peace in the world”
Annie Lennox, Jon Batiste and Fantasia Barrino will also be part of the tribute section of the show
JB