Fresh off his Farm Aid performance earlier this month, Dave Matthews is returning to Boston.

Thousands turned out for the 25th anniversary of Farm Aid, the benefit concert for America’s family farmers headlined by the charity’s founders: Willie Nelson, John Mellencamp, Neil Young and Matthews.

This year’s hours-long concert, dubbed “Farm Aid 25: Growing Hope for America,” was held at Miller Park, home of the Milwaukee Brewers baseball team.

The founding musicians, who gathered under a canopy outside the stadium to meet with reporters before the concert, praised family farmers as practitioners of sustainable agriculture while portraying corporate-run farms as greedy polluters contributing to the nation’s obesity problem.

Matthews, who grows organic vegetables at his own organic farm in Virginia, told the Milwaukee Journal Sentinel that this is a cause close to his heart.

“It’s so important that we reach an understanding as a society, if we want a healthy future, a healthy planet, we have to think globally and act locally,” he said. “We need to know where our food comes from. ... If we choose to be carnivores and bite into a piece of meat we (want to) know that it comes from one cow, not 1,000 cows.”

Matthews has been involved with Farm Aid for the past 10 years, joining the board in 2000. His own farm is called The Best of What’s Around, named after one of the songs on his breakthrough album from 1994. Incidentally, it’s also the title of his first greatest hits album from 2006.

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