09/22/2008 at 01:00 AM EDT
KEANE kicks up the pace on "Spiralling," a dance track that previews the British trio's third album, Perfect Symmetry, due Oct. 14. At napster.com.
LUDACRIS crunks it up with T.I. on the blustery "Wish You Would," from the rapper's sixth CD, Theater of the Mind, out Oct. 21. At iTunes.com.
SARAH McLACHLAN mesmerizes on the ballad "U Want Me 2," a new song from her upcoming greatest-hits collection. At rhapsody.com.
BRANDY (left), after her musical hiatus, is back where she belongs with "Right Here (Departed)," a sweet pop return. At iTunes.com.