Watch adorable mascots rock out onstage during Foo Fighters set

Attendees of the three-day Dreamforce conference in San Francisco were treated to a performance by non other than Foo Fighters – and a few unexpected visitors.
The band kicked off the event, held by tech company Salesforce and, during a performance of ‘All My Life’, were joined onstage by a trio of the company’s mascots – Astro, Einstein and Ruth.
Frontman Dave Grohl acknowledged his costumed buddies for bringing a special energy to the show, Grohl pulling things ba