The Lumineers, Houndmouth and The Last Bison are the latest additions to Newport, RI’s Newport Folk Festival. They join a lineup that already includes: Andrew Bird, Shovels & Rope and The Lone Bellow. Newport Folk will take place from July 26-28. The festival has solicited a range of fans and writers to help them write bios for their artists as they are announced. The Lumineers also confirmed appearances at Mountain Jam, Snaky Knees and the XPoNential Music Festival this week.