Rush guitarist Alex Lifeson joined Tool on stage in Toronto this week for a surprise performance.Tool wrapped up their North American headline tour this month with two shows in Toronto earlier in the week. Performing at the Scotiabank Arena on Monday (November 20), the LA rock band welcomed Lifeson – who grew up in Toronto – to the stage for a rendition of their song ‘Jambi’.The performance also included Rush’s ‘A Passage To Bangkok’ intro and guitar solo from 1976 album ‘2112’.Check out footage of the surprise appearance below.Tool have enforced a no phone policy at their shows in recent years.