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The Grateful Dead's Bob Weir is taking some unexplained time off.  A post on his TRI Studios Facebook page and Further's website says that "due to unforeseen circumstances," Bob is "unable to perform in any capacity for the next several weeks." 

As a result, Further has dropped out of the lineup for next week's BottleRock festival in Napa Valley, California, and Bob's weekly web series "Weir Here" is going on a short hiatus. 

However, Weir is expected to be back in action next month.  The post says he hasn't cancelled his solo concerts scheduled for the end of June, and he expects to resume his "Weir Here" webcasts in "mid to late June."  In addition, Further still anticipates kicking off their summer tour in Brooklyn, New York on July 11th as planned. 

The announcement follows Weir's stage collapse last Thursday.  During a Further show in Port Chester, New York Bob suddenly fell to the floor mid-song.  After being helped to his feet, Bob finished the song seated in a chair.  The entire band then left the stage, but Weir didn't return with them to resume the show. Two days later Further played in Atlantic City, New Jersey -- with Weir -- and says Bob gave an energetic performance in what seemed to be an attempt to prove that he was fine. 

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