Funny enough, the cameras didn't seem to give away the identity of the band, even when the group went hurtling down a giant inflatable children's slide.

As the sun set, the cameras followed the group onto their tour bus and watched as they ditched the costumes and geared up to headline the sold out festival.

Spend 48 hours with Mumford & Sons as they live through Bonnaroo by watching the new video - here.

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