Foo Fighters singer Dave Grohl pulled Collier Rule up on stage at his concert when he saw the boy playing air guitar in the crowd. The 10-year-old proceeded to stun the crowd when he played Metallica's "Enter Sandman" alongside the band. Now Rule is using that attention to raise money through a lemonade stand for his friend Bo, who suffers from a rare disease. InsideEdition.com's Keleigh Nealon ([ Ссылка ]) has more. #InsideEdition
