Swamp Dogg is one of the best soul singers most Americans have never heard of. The aging vocalist is a little like those quaint little diners you discover on a road trip: someplace that smells like bacon and coffee, with waitresses who call you “sweetie.” The native Virginian (born…

R&B’s ever-increasing popularity stems partly from the movement’s rejection of its past. The likes of Frank Ocean and Blood Orange have pushed far beyond what anyone could have expected during previous decades. Such generational disparities contextualize Jerry Williams, Jr.’s 22nd LP under his Swamp Dogg moniker. Love, Loss, and Auto-Tune Swamp…