Imagine, firstly, being at an Ozzy Osbourne show- that alone is pretty awesome; now imagine you're at that show and Slash comes out and performs with the band- that's kick ass! Well this very thing happened in Bergen, Norway on Monday and the fan-filmed footage can be seen after the jump!

Slash is supporting Ozzy and Friends on a select number of dates in order to compensate fans who were expecting and hoping to see the original Black Sabbath line-up. However, guitarist Tony Iommi had to put the tour aside in order to focus on treating and beating his lymphoma. He will only be present for one date- June 10 at the U.K's Download Festival. The 16-song set also featured Geezer Butler and Zakk Wylde. Slash performed during "Iron Man," "War Pigs," "N.I.B" and "Paranoid." The video of him playing during "War Pigs" is below:

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