FILE - This March 16, 2014 file photo shows Grateful Dead alumni Bob Weir and his band, Ratdog, performing in Atlanta. Weir is canceling all of the tour dates he had planned through January 2015. The Grateful Dead founder posted a message Sunday, Aug. 10, on RatDog?s website that says ?circumstances have necessitated that all scheduled tour dates for Bob Weir & RatDog are being canceled.? (Photo by Dan Harr/Invision/AP, File)