For the fourth week in a row, Mariah Carey's "We Belong Together" is No. 1 on The Billboard Hot 100. For the same length of time, the song it displaced from the chart summit, Gwen Stefani's "Hollaback

For the fourth week in a row, Mariah Carey's "We Belong Together" is No. 1 on The Billboard Hot 100. For the same length of time, the song it displaced from the chart summit, Gwen Stefani's "Hollaback Girl," holds at No. 2.

While "Hollaback" notches an eighth week at No. 1 on the Pop 100 and falls 1-2 on the Hot Digital Songs chart, it's making further inroads on the Hot R&B/Hip-Hop Songs list, where it takes an impressive 27-16 leap. "Together" has been No. 1 on the R&B/Hip-Hop tally for four weeks and holds at No. 3 on the Pop 100. The title also makes a 4-3 move on the Hot Digital Songs list.

Looking to steal the limelight are the Black Eyed Peas, who advance 2-1 on the Hot Digital Songs chart, sit at No. 2 for a second week on the Pop 100 and jump 3-5 on the Hot 100 with "Don't Phunk With My Heart." The single's strong performance coincides with this week's career-best No. 2 opening on The Billboard 200 for the A&M/Interscope album "Monkey Business."

Amid all of the rhythmic cuts dominating the landscape, U.K. rock act Coldplay is also making a play for glory with its latest single, "Speed of Sound." In the same week the band's Capitol album "X&Y" debuted at No. 1 on The Billboard 200 with impressive U.S. sales of 737,000 copies, the cut makes an 18-10 leap on the Hot 100, a 10-5 move on the Hot Digital Songs chart and a 31-17 jump on the Pop 100 while holding tight at No. 6 on the Modern Rock tally.

Despite slipping 3-4 on the Hot 100, 50 Cent's "Just a Lil Bit" retains its bullet as the cut is still showing signs of growth. That's likely the reason it remains No. 1 for the sixth consecutive week on the Hot Rap Tracks chart and is lifted 4-3 on the Hot R&B/Hip-Hop Tracks roundup.

Nine Inch Nails' "The Hand That Feeds" opens its fifth week at No. 1 on the Modern Rock chart and advances 4-2 on the Mainstream Rock list. The latter chart sees a new No. 1 this week as Seether's "Remedy" rises 3-1 and Green Day's "Holiday" falls 1-3.

In addition to scoring the best U.S. sales week (157,000 copies) in Nielsen SoundScan history for a Spanish-language album with "Fijacion Oral, Volumen 1" (Epic), Shakira finds herself returning to the top of Billboard's Hot Latin Songs chart. Her single "La Tortura" featuring Alejandro Sanz rebounds 2-1, giving the cut a third non-consecutive week in the lead.

On the Adult Contemporary airplay list, Kelly Clarkson's "Breakaway" shows no signs of letting go of the No. 1 post, where it has resided for 16 straight weeks. On the Hot Country Songs roundup, Keith Urban is making an impressive stand with "Making Memories of Us," which is No. 1 for a fifth consecutive week.

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