'Idol' track sales: A tale of three Jennifers

Last Thursday, three Jennifers appeared on the American Idol results show -- judge Jennifer Lopez, Jennifer Hudson and Sugarland's Jennifer Nettles. This week, all of them have tunes on Nielsen SoundScan's list of top digital tracks.

Lopez's On the Floor sold 126,000 copies; it's quickly closing in on a million. Sugarland's Stuck Like Glue saw sales jump 89% after performing on the show, giving it a weekly total of 89,000. And weekly downloads of Hudson's Where You At shot up to 24,000, a 271% increase over the previous week.

Black Eyed Peas, Just Can't Get Enough (219,000 weekly, +11%, 616,000 total)
Jennifer Lopez feat. Pitbull, On the Floor (126,000, -5%, 859,000)
Diddy-Dirty Money, Coming Home (75,000, -24%, 1.789 million)
Jason Aldean/Kelly Clarkson, Don't You Wanna Stay (41,000, -3%, 957,000)
Sugarland, Stuck Like Glue (33,000, +89%, 1.782 million)
Jennifer Hudson, Where You At (24,000, +271%, 65,000)
Mandisa, Stronger (6,000, +31%, 30,000)
Jason Castro, You Are (1,000, +3%, 29,000)