Dr. Dre's "Detox," his first album since 1999, is due this fall with guests Nas, Jay-Z and Lil Wayne. ... Jessica Simpson's country album, "Do You Know," out Sept. 9, features Dolly Parton. ... The Pretenders' "Break Up the Concrete," out Sept. 23, stars, of course, Chrissie Hynde and new players, including legendary drummer Jim Keltner and ex-Twin Cities guitarist Eric Heywood. ... Pink's fifth CD is set for Oct. 28. ... B.B. King's "One Kind Favor," produced by T-Bone Burnett, features Dr. John, Nathan East and Jim Keltner. ... Crosby, Stills & Nash is recording an album of covers with Rick Rubin.