Grammy award-winning singer-songwriter Patty Griffin will open the 35th annual Celebrate Brooklyn! Performing Arts Festival with a free concert on the night of June 5 in Prospect Park. The performance will be Griffin’s first NYC appearance in over two years and will feature songs from her new album, American Kid, which is set to be released on May 7. The Celebrate Brooklyn! Performing Arts Festival is an outdoor summer staple and will be announcing its full lineup in May.