Ben Lovett (left) and Marcus Mumford of Mumford & Sons play off each other at a concert in Portland Saturday night August 4, 2012. Buy Photo

Cora Lyden (from left), Jackie Floyd, Tess Hall and Maura Perry cheer as Mumford & Sons take the stage in Portland Saturday night August 4, 2012. Buy Photo

Al Barr, lead singer for the Dropkick Murphys, gets the crowd going in Portland Saturday night August 4, 2012, on the Eastern Promenade. Buy Photo

Tim Brennan (left) and Jeff DaRosa of the Dropkick Murphys play on stage in Portland Saturday night August 4, 2012, on the Eastern Promenade. Buy Photo

Mumford & Sons take the stage on Portland's East End Promenande Saturday night August 4, 2012. Buy Photo

A workman who didn't want to give his name hangs flags atop the gate of a temporary concert venue springing up in Portland's Eastern Promenade park on Friday, Aug. 3, 2012 in preparation for the Mumford & Sons "Gentlemen of the Road" tour stop Saturday.

Workmen erect one of two stages in Portland's Eastern Promenade park on Friday, Aug. 3, 2012 in preparation for the Mumford & Sons "Gentlemen of the Road" tour stop Saturday.

A picture featuring the gentleman logo of Mumford & Sons' Gentlemen of the Road Festival greets concertgoers heading down Congress Street on Saturday, Aug. 4, 2012, on their way to the Eastern Promenade show. More than 15,000 people were expected to descend upon Munjoy Hill for the event, which features several bands and seven hours of live music.

Gentlemen of the Road Festival flags wave in the Eastern Promenade sunlight on Saturday, Aug. 4, 2012, just outside the gates to the seven-hour concert event. The show, headlined by the British folk rock band Mumford & Sons, was expected to draw nearly 15,000 to Portland.

Joshua Bankhead, owner of Hella Good Tacos, dishes up some soft tacos on Congress Street on Saturday afternoon, Aug. 4, 2012, to concertgoers on their way to the Mumford & Sons show on the Eastern Promenade. Bankhead said he planned to have his stand set up throughout the afternoon and evening as foot traffic to the concert area was expected to increase.

This Eastern Promenade home was decorated with flags from around the world and a banner welcoming the hit British folk rock band Mumford & Sons on Saturday, Aug. 4, 2012. The band brought its Gentlemen of the Road Festival to Portland and event organizers said band members would be picking the best-decorated home in the area for a personal visit, spurring many homeowners on the Eastern Prom to get colorful.