Daniel Zuckerman is reporting in The Daily Mail the organizers of Mountain Jam XIII has announced Matisyahu, the Head and the Heart and the String Cheese Incident are among the last acts to be added to the lineup for the annual Hunter Mountain rock festival, scheduled this year for June 16 through 18. The String Cheese Incident joins Tom Petty and The Heartbreakers and Steve Miller Band as the third headlining act. Peter Frampton, jam mainstay Michael Franti and Spearhead, St. Paul and the Broken Bones, the Strumbellas, the Revivalists and White Denim will also appear. "The slope at the base of Hunter Mountain acts as a natural amphitheater," Hunter Mountain Marketing and Communications Manager Katie O’Connor said. There is also enough space for people to camp out and dance to more than 40 bands, she said. The combination of those elements make it a "unique concert venue," O'Connor said. Read the full story in The Daily Mail.