Disaster struck when Grohl tried to step back up on stage.
The Learn to Fly hitmaker was handed a can of the lower-alcohol content beverage by a member of the audience at the U.S. rock band's concert at The Joint at Hard Rock Hotel in Las Vegas on Wednesday, 9 January, and attempted to drink it from the top of a speaker whilst playing the guitar.
Video of the accident (below) sees Grohl ask for a beer from the bar while performing at a private show with the Foos on Wednesday, as part of annual Consumer Electronics Show (CES) festivities.
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Playing the band's first gig of 2019, Grohl strolled over to one corner of the stage, stepped down to a lower level, shook hands with a fan and accepted the beer as it was passed forward through the crowd.
This is not the first time that he has fallen off the stage before. The Security men helped him immediately back to the top, where he could apparently unharmed to continue playing.
In 2015, a similar incident in Stockholm saw the former Nirvana drummer break his leg as he slipped from the stage.