Jam on The River will once again return to the Great Plaza at Penns Landing in Philadelphia over Memorial Day weekend. The event will feature two days of music at the Landing along with two late night separate entry shows at the Electric Factory. The line-up for Saturday May 27 includes The Disco Biscuits, The New Deal, Benevento Russo Duo, World Party and the Blue Method, with Dark Star Orchestra performing at the Electric Factory. On Saturday the 28th, Ween, Railroad Earth, Dirty Dozen Brass Band, Secret Machines and Grace Potter & the Nocturnals will appear while The Biscuits will take on late night duties.