Sunday's (Sept. 7) Farm Aid concert will be available via a live webcast at the Farm Aid Web site www.farmaid.org. Viewers are encouraged to donate $20, which will benefit family farmers. The sold-out concert begins at 4 p.m. ET at the Germain Amphitheater in Columbus, Ohio. Participants at this year's event include Willie Nelson, John Mellencamp, Neil Young, Dave Matthews, Brooks & Dunn, Sheryl Crow, Emmylou Harris and Trick Pony. 09/05/03