avid Amram, Roy Book Binder, David Bromberg, Arlo Guthrie, Levon Helm, Jorma Kaukonen, Tom Paxton and Tom Rush are among the music luminaries slated to perform during the 50th annual Philadelphia Folk Festival, August 18-21, 2011. Joining them at the Old Pool Farm in Upper Salford Township, near Schwenksville, Pennsylvania, for the longest continually running festival of its kind will be a number of up-and-coming touring artists like Dan Bern, Justin Townes Earle, David Wax Museum, the Canadian female duos Dala and Madison Violet, and Philly’s own Hoots and Hellmouth, as well as many other locally-based artists. [To read the full article, including comments from veteran folk-DJ, festival co-founder and emee Gene Shay, click on the headline.]