The Philadelphia Folk Festival returns to the historic Old Pool Farm in Upper Salford Township, near bucolic Schwenksville, Pennsylvania, August 16-18, following a hiatus in 2023. Thousands of music lovers are expected to converge on the farm, located some 45 minutes from Philadelphia, for the 61st edition of the family-friendly event that is produced and presented by the Philadelphia Folksong Society, a nonprofit arts organization. [Click on the headline to continue reading this article previewing the festival.]