MUSIC: Baird Hersey & Prana @ Upstate Films, Woodstock. It’s Hersey’s annual “A Moment of Peace” concert. He’ll be joined by the polyphonic vocal ensemble Prana, featuring Peter Buettner, Amy Fradon, Julie Parisi, Kirsti Gholson, Julie Last, Julian Lines, Bruce Milner and Joe Veillette. 2pm. $11.