Today at 1:30 John Mellencamp will make the official announcement alongside farmers and food buyers at the Copley Square Farmers Market. Boston Mayor Thomas M. Menino and Governor Deval Patrick will welcome Farm Aid co-founder John Mellencamp to New England as he announces Farm Aid 2008 Presented by Whole Foods Market and Horizon Organic will take place on Sept. 20 at the Comcast Center in Mansfield, Mass., marking the first time the organization will bring its annual benefit concert to the region.

This year’s concert will feature Farm Aid Board Members Willie Nelson,John Mellencamp, Neil Young, and Dave Matthews, plus other top artists to be announced. The annual benefit concert will celebrate music and good food, featuring hands-on activities in the HOMEGROWN Village that will showcase the direct connection between who is growing our food and what we eat every day.

Farm Aid will offer special advance sale tickets to its FarmYard members. To become a member of Farm Aid’s FarmYard, visit farmaid.org.

Tickets for Farm Aid 2008 Presented by Whole Foods Market and Horizon Organic will go on sale July 28 at 10 a.m. EDT and are available at all Ticketmaster outlets, www.ticketmaster.com, or by calling (866) 448-7849.

Check out the story in the Boston Globe today.