'Glee's' Original Songs, Rebecca Black, Nate Dogg Debut on Digital Songs Chart

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<p>On the Digital Songs chart this week, "Glee's" original songs score big, Rebecca Black's "Friday" debuts and Nate Dogg is remembered.</p>

On the Digital Songs chart this week, "Glee's" original songs score big, Rebecca Black's "Friday" debuts and Nate Dogg is remembered.

While Katy Perry's "E.T." (featuring Kanye West) retains the No. 1 slot, selling 261,000 downloads (up 21%), the cast of "Glee" is right behind her. The cast debuts No. 2 with "Loser Like Me" (210,000). It's the "Glee" kids' second-best sales week yet for a song -- surpassed only by "Teenage Dream's" 213,000 debut at No. 1 last November. The "Glee" Cast also bows in the top 10 this week at No. 6 with "Get It Right" (151,000). Both "Loser" and "Right" mark the first time "Glee" has charted with songs written specifically for the show.

Listen: 'Glee' Original Songs, 'Loser Like Me' and 'Get It Right,' Debut

The Black Eyed Peas' "Just Can't Get Enough" flies 18-3 (198,000; up 143%) in the wake of the act's performance of the song on "American Idol" last week, while Lady Gaga's "Born This Way" gets pushed back one slot to No. 4 -- despite a 3% gain (182,000). Rihanna's "S&M" falls one to No. 5 (170,000; up 1%), Chris Brown's "Look at Me Now" is up three to No. 7 (142,000; up 21%) and Jennifer Lopez's "On the Floor" falls six rungs to No. 8 (139,000; down 36%). Rounding out the top 10 is Cee Lo Green's "F**k You (Forget You)" falling three to No. 9 (138,000; down 12%) and Ke$ha's "Blow," falling three as well, to No. 10 (122,000; down 13%).

Down at No. 57, we find YouTube sensation Rebecca Black, who debuts with her much-maligned (but incredibly popular) single "Friday," selling 37,000. We'll have to wait until the Billboard Hot 100 is compiled -- later today and early tomorrow morning -- to see if Black's bow will be enough for her to debut on the iconic Hot 100 tally.

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Another notable Digital Songs debut comes from Warren G and Nate Dogg's "Regulate," entering at No. 58 with 37,000 (up 1,400%) following the latter artist's passing. The song is Dogg's biggest Hot 100 hit as a lead act, spending three weeks at No. 2 in 1994. Dogg topped the chart in 2003 for four weeks as the featured guest on 50 Cent's "21 Questions."

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Digital track sales this past week totaled 24.92 million downloads, up 3% compared to last week (24.28 million) and up 20% stacked next to the comparable week of 2010 (20.68 million). Year to date track sales are at 289.91 million, up 8% compared to the same total at this point last year (268.76 million).