Best Sellers-Audio

1. "I Gotta Feeling," The Black Eyed Peas. Interscope.

2. "Boom Boom Pow," The Black Eyed Peas. will.i.am/Interscope.

3. "Best I Ever Had," Drake. Bryant/Frozen Moments/Hip Hop Since 1978.

4. "Knock You Down," Keri Hilson feat. Kanye West & Ne-Yo. Mosley/Zone 4/Interscope.

5. "LoveGame," Lady GaGa. Streamline/KonLive/Cherrytree/Interscope.

6. "Fire Burning," Sean Kingston. Beluga Heights/Epic.

7. "Birthday Sex," Jeremih. Mick Schultz/Def Jam/IDJMG.

8. "I Know You Want Me (Calle Ocho)," Pitbull. Ultra.

9. "You Belong With Me," Taylor Swift. Big Machine.

10. "New Divide," Linkin Park. Machine Shop/Warner Bros.

11. "Don't Trust Me," 3OH!3. Photo Finish/Atlantic/RRP.

12. "Falling For You," Colbie Caillat. Universal Republic.

13. "Waking Up in Vegas," Katy Perry. Capitol.

14. "Every Girl," Young Money. Young Money/Cash Money/Universal Motown.

15. "Poker Face," Lady GaGa. Streamline/KonLive/Cherrytree/Interscope.

16. "Halo," Beyonce. Music World/Columbia.

17. "The Climb," Miley Cyrus. Walt Disney/Hollywood.

18. "Second Chance," Shinedown. Atlantic.

19. "Please Don't Leave Me," Pink. LaFace/JLG.

20. "Use Somebody," Kings of Leon. RCA/RMG.

Copyright 2009, Nielsen SoundScan, Inc.

The Billboard 200 (Top Albums): Top 20

(Airplay monitored by Nielsen/BDS. Sales data compiled by Nielsen/SoundScan.)

1. "NOW 31." Various artists. EMI/Universal/Zomba/Sony Music.

2. "American Saturday Night," Brad Paisley. Arista Nashville/SMN.

3. "Cradlesong," Rob Thomas. Emblem/Atlantic/AG.

4. "Wilco (The Album)," Wilco. Nonesuch/Warner Bros.

5. "The E.N.D.," The Black Eyed Peas. Interscope/IGA.

6. "Jeremih," Jeremih. Mick Schultz/Def Jam/IDJMG.

7. "Killswitch Engage," Killswitch Engage. Roadrunner.

8. "Lines, Vines and Trying Times," Jonas Brothers. Hollywood.

9. "Relapse," Eminem. Web/Shady/Aftermath/Interscope/IGA.

10. "The Fame," Lady GaGa. Streamline/KonLive/Cherrytree/Interscope/IGA.

11. "Fearless," Taylor Swift. Big Machine.

12. "Hannah Montana: The Movie." Soundtrack. Walt Disney.

13. "Transformers: Revenge of the Fallen: The Album." Soundtrack Reprise/Warner Bros.

14. "Only By the Night," Kings of Leon. RCA/RMG.

15. "Big Whiskey and the GrooGrux King," Dave Matthews Band. Bama Rags/RCA/RMG.

16. "21st Century Breakdown," Green Day. Reprise/Warner Bros.

17. "The Foundation," Zac Brown Band. Roar/Big Picture/Home Grown/Atlantic/AG.

18. "Wide Open," Jason Aldean. Broken Bow.

19. "Greatest Hits II," Kenny Chesney. BNA/SMN.

20. "Dark Horse," Nickelback. Roadrunner.