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Photo by: Evan Agostini

This 2010 photo shows Bob Weir, founding member of the Grateful Dead, who fell onstage while strumming his guitar at a concert in Port Chester, N.Y. In a video posted online, the 65-year-old musician collapsed Thursday during a performance with his Furthur bandmates at The Capitol Theatre. (AP Photo/Evan Agostini, file)

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