BLACK SABBATH Bassist GEEZER BUTLER Joins APOCALYPTICA And Vocalist FRANKY PEREZ For "War Pigs" In Las Vegas (Video)

On October 4th, Finnish cello metallers Apocalyptica performed at the Brooklyn Bowl in Las Vegas, NV. Durting the show they were joined by vocalist Franky Perez and Black Sabbath bassist Geezer Butler for "War Pigs". Check out the fan-filmed clip below as well as Butler's Instagram snippet.