By Jessica Herndon Marisa Laudadio Chuck Arnold and IVORY JEFF
Updated July 25, 2011 12:00 PM

>DAVID GUETTA recruits Taio Cruz and Ludacris for the techno-pop jam “Little Bad Girl,” from the French deejay-producer’s next album, Nothing but the Beat, which arrives Aug. 30. $1.29 at

BJORK fuses both electronica and tribal rhythms on “Crystalline,” from Biophilia, her upcoming seventh solo studio album. $1.29 at

DANNY GOKEY, 2009 Idol finalist, previews his next album with “Second Hand Heart,” a country-rock confection. $1.29 at

MARY J. BLIGE (left) wails the uplifting ballad “The Living Proof,” from the anticipated film The Help, due Aug. 10. $0.99 at