Technicolours light up the stage, and the excitement rises. The crowd gushes in and becomes a swirl of glow bands; a jostle of cameras, phones and flailing body parts. We scream and shout and sing and cheer, moving to the beat, surging in time with the swell of the crowd.
Sometimes, you just need to let go.
Some of the fantastic, frenzy-inducing performances at the Truck festival were: