Про этот. 
Нашел некоторую информацию об этом концерте. Оказывается, на концерте ожидалось от 10,000-ти до 15,000 зрителей.
Oregon Symphony Waterfront Concert Picture by green earrings 
Time to start planning for your Labor day weekend in Portland. The Oregon Symphony kicks off its new season with their 18th annual concert at the Waterfront Park on August 28. 10,000-15,000 people are expected to attend the event which includes music, dancing, fireworks, cannons, and more. Plus, it’s all FREE.
Oregon Symphony Waterfront Concert
August 28, 2014
Beings at 2:30 p.m. | FREE
More info: orsymphony.org 
Tom McCall Waterfront Park
1020 Naito Pkwy, Portland
The Waterfront Concert is back—bigger and better than ever before! Special thanks to Mayor Charlie Hales and all the City Commissioners for their partnership and funding. Thanks to them we’ve expanded the popular free concert to include performances by many of Portland’s finest musical organizations.
This 18th Waterfront Concert begins at 2:30 pm and launches the Oregon Symphony season. No tickets are required. Bring low-profile chairs or blankets for lawn seating, a little something to eat and sit back and enjoy!
Closing festivities include the traditional grand finale — Tchaikovsky’s 1812 Overture with an elaborate fireworks show, complete with military cannons from the Oregon Army National Guard 218th Field Artillery.
Waterfront Concert Schedule
2:30 PM: 234th Army Band of the Oregon National Guard  3:30 PM: Metropolitan Youth Symphony  4:00 PM: HillsboroSD Mariachi Una Voz  with Edna Vazquez  4:30 PM: BRAVO Youth Orchestra  5:15 PM: Portland Youth Philharmonic  6:00 PM: Portland Taiko  7:00 PM: Oregon Symphony  (with performances by Oregon Ballet Theatre  & Portland Opera ) Nightfall: Fireworks
Взято — отсюда .
А здесь, рассказывается уже о самом концерте.
The guns of August are back. After a one-year break, the Oregon Symphony returns with a new, expanded version of its free concert at Waterfront Park, Aug. 28. Each year, the concert draws thousands of people to the grassy bowl next to the Hawthorne Bridge to hear the orchestra preview works from its upcoming season. They traditionally end in a blaze of howitzers and fireworks with Tchaikovsky’s “1812 Overture.”
The orchestra canceled last year’s concert after the Regional Arts & Culture Council cut the $192,000 funding for it. Mayor Charlie Hales restored funding this year, said Janet Plummer, the orchestra’s interim co-president.
Details of the bigger event are still sketchy because the orchestra just found out about the funding on Wednesday, Plummer said. In years past, the Portland Youth Philharmonic, Oregon Ballet Theatre and Portland Opera have appeared at the event.
“Our intention is to make it bigger, better, bolder this year,” Plummer said. “We really want to move it towards a performing arts festival and showcase more music and more performing arts groups. We want to extend the time the stage is being used, get more people involved and build this into a signature artistic event.”
Можно еще заглянуть сюда .
И, нашел еще несколько фотографий.
Это о том, сколько было человек. Оценивайте сами..
Надеюсь, теперь какое-то представление о концерте у вас сложилось?!