Over the weekend...
Holly Frith

10:15 18th April 2011

U2 and Muse formed a supergroup during a secret show on Saturday night (April 16).

U2, who are currently finishing up the South American leg of their '360' world tour, joined support band Muse for a one-off  performance at Sao Paulo nightclub Bar Secreto.

Bono and Larry Mullen appeared on stage before being joined my Muse drummer Dom Howard for a cover of Talking Head's 'Psycho Killer', reports The Sun.

The Edge also performed cover versions of Bowie's 'Let's Dance' and The Rolling Stones' 'Miss You'.

Muse frontman Matt Bellamy was not present for the show.

U2 have been confirmed to headline this year's Glastonbury festival, whilst Muse will headline Reading and Leeds festival.

U2 and Muse - 'Psycho Killer':

U2 - live

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Photo: WENN.com