It’s pretty ironic that anyone who knows Joan Osborne solely on the basis of her mid-’90s radio hit knows her as an alt-rock provocateur. “One of Us” shows up just once in her catalog; the rest is all pop taken in a soul, R&B-flavored country, or (most recently) Southern-steeped blues and R&B direction. Blues was what she sang in local clubs when she got her start in New York — after moving up there from Kentucky — and on Bring It On Home, a bright, bodily modern-sounding album, she reinterprets tunes by Willie Dixon, Bill Withers, Otis Redding and Allen Toussaint, who contributes crisply funky piano playing. Athens, Ga.’s Lera Lynn is a newbie by comparison. She released her debut full-length — Have You Met Lera Lynn? — last year, followed by a 7-inch single with a classic-era Johnny Cash cover, showcasing a blend of torchy country and indie rock and a knack for songwriting. She’s shaping up to be a Southern Gothic heir to Neko Case.