FILE - This Feb. 16, 2013 file photo shows Ted Dwane, of 

FILE - This Feb. 16, 2013 file photo shows Ted Dwane, of the English folk rock band Mumford & Sons, performing at the Susquehanna Bank Center in Camden, N.J.  Dwane has a blood clot on his brain that will require surgery. The Grammy Award-winning folk-rock group has postponed concerts Tuesday, June 11, in Dallas, Wednesday June 12 in The Woodlands and Thursday, June 13 in New Orleans. A statement on its website said there are no plans to postpone or cancel any other appearances on the current tour. Mumford & Sons has a headlining gig Saturday at the Bonnaroo Music & Arts Festival in Manchester, Tenn. (Photo by Owen Sweeney/Invision/AP, file)
Associated Press
FILE - This Feb. 16, 2013 file photo shows Ted Dwane, of the English folk rock band Mumford & Sons, performing at the Susquehanna Bank Center in Camden, N.J. Dwane has a blood clot on his brain that will require surgery. The Grammy Award-winning folk-rock group has postponed concerts Tuesday, June 11, in Dallas, Wednesday June 12 in The Woodlands and Thursday, June 13 in New Orleans. A statement on its website said there are no plans to postpone or cancel any other appearances on the current tour. Mumford & Sons has a headlining gig Saturday at the Bonnaroo Music & Arts Festival in Manchester, Tenn. (Photo by Owen Sweeney/Invision/AP, file)
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