August 24, 2009 12:00 PM

>JACK WHITE, on yet another side project, wields a mean ax on “Fly Farm Blues” from the new guitar-themed documentary film It Might Get Loud. $0.99 at

ESMEE DENTERS, the Dutch YouTube sensation now signed to Justin Timberlake‘s label, rocks the defiant dance-pop of “Outta Here,” the title song from her debut disc, due this fall. $0.99 at

MADONNA rejoices in the “dance of life” on “Celebration,” a sort of sequel to her ’83 club classic “Holiday.” It’s the title track from her upcoming greatest-hits set, due Sept. 29. $1.29 at

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