Massive Attack have announced the artists that will be joining them as part of the huge ‘Act 1.5′ show in Bristol this summer.

Details of the homecoming gig were first shared in December, when the trip-hop collective confirmed that 2024 would see them perform at an all-day “large-scale climate action accelerator event” – celebrating 25 years of climate activism for the band.

The gig will take place on August 25 at Clifton Downs in Bristol, and will mark the first performance that Robert ‘3D’ Del Naja and Grant ‘Daddy G’ Marshall have played on UK soil in five years.

In keeping with the environmental theme, the event is also set to be the lowest carbon show of its size ever staged.

Now, Massive Attack have announced the full run of artists that will be joining them as special guests for the all-day event. Three-time Grammy winner and political powerhouse Killer Mike will be among those performing on the day, with the event coming as an extension of the Run The Jewels rapper’s biggest solo tour dates across the UK.

Mercury Prize-nominated and critically lauded Irish 4-piece Lankum are also confirmed as making an appearance at the event, as well as Sam Morton and a rare performance from the Wild Bunch’s DJ Milo.

Tickets are on sale now, and you can visit here to find any remaining.

“We’re chuffed to play our home city again and to be able do it in the right way,” Massive Attack’s Del Naja, AKA 3D, said in a statement last December.

“In terms of climate change action there are no excuses left; offsetting, endless seminars and diluted declarations have all been found out – so live music must drastically reduce all primary emissions and take account of fan travel. Working with pioneering partners on this project means we can seriously move the dial for major live music events & help create precedents that are immediately available.”

The event is powered by Ecotricity x Grid Faeries, and will celebrate the group’s collaboration with climate scientists and analysts from the Tyndall Centre for Climate Change Research, which has included the band’s commissioning of a compatible roadmap for decarbonisation of the Live Music Sector.

Initially, the band planned a prototype show in Liverpool, but were unable to go ahead due to the COVID-19 pandemic and their boycott of an Arms Fair being held in the city.

Professor Carly McLachlan from The Tyndall Centre for Climate Change Research said in a statement: “This is precisely the type of transformative approach that we need to see more of in the live music sector and indeed every sector; one that has the collaboration and vision to reduce emissions across all areas of impact and working beyond the areas you directly control to unlock the systemic change we urgently need to deliver on our Paris Agreement commitments”.

As well as the homecoming Bristol gig, Massive attack will also be performing in Spain at Bilbao BBK Live in July, as well as making an appearance at the Montreux Jazz Festival.

In other news about the trip-hop duo, the members spoke out about their boycott of gigs in Israel since 1999 at the start of the year.

“Massive Attack have not performed (& will not perform) in Israel since the international request was made by Palestinian civic society & artistic institutions in 2002 (reiterated in 05 as BDS) as a form of non-violent pressure on Israel to end its brutal occupation of Palestine,” they wrote on X/Twitter in January.

“The band took a decision not to perform in Israel in 1999 – some years before the Palestinian call for international boycott was made – based on our own observations of military oppression, occupation & apartheid.”