She sings on the new version of the song by stoner metal band Gonga
The band last released an LP - 'Third' - in 2008
Neither act has performed in the country before
The singer will create the sound for a giant polar bear which will lead a march through London next weekend
Musician gets involved in row with local mayor over plans for a £40m arena in the city
But the R&B singer still hasn't issued public response...
The band are currently working on their fourth album
Trio will play shows in Italy, France and Spain this summer
Barrow teams up with Emmy award winning composer
Barrow says sessions on the follow-up to 'Third' will be starting soon
The electro-pop album will come out on the Invada Records label in May
Bristol band also reveal plans to start work on new album in 2012
Producer/musician also slams Bruno Mars in festival rant
PJ Harvey are Grinderman are among highlights of the event
Hadouken!, Tiga and James Zabiela are also on the bill
'There will be NO free downloads,' he begins...
Bristol band join Strokes, Arctic Monkeys and Primal Scream
I'll Be Your Mirror will take place at London's Alexandra Palace on July 23 and 24
Geoff Barrow wants to 'bang on and get another record done'
Adrian Utley and Will Gregory to work on new project