February 18 -The Rolling Stones give a free concert to 3 million people in Rio de Janeiro, Brazil, possibly one of the largest ever given.
The 1 Billionth song was downloaded on ITunes; the song was "Speed of Sound" by Coldplay.
Three 6 Mafia made history as they became the first African-American hip-hop group to win an Academy Award for Best Song and also became the first hip-hop artists to ever perform at the ceremony. The group was nominated for the song "It's Hard Out Here for a Pimp" from the Hustle & Flow soundtrack.
May 1 -1,572 guitarists simultaneously play Jimi Hendrix' song "Hey Joe" in the town square of Wroclaw, Poland, breaking a Guinness world record.
May 24 - Taylor Hicks wins American Idol, season 5. Katharine McPhee is the runner-up.
October 15 - Legendary New York City music club CBGB closes after a lengthy rent dispute. Patti Smith performs the final show at the club. CBGB announces it is moving to Las Vegas. 
 


 


1. Sexyback - Justin Timberlake 
2. Hips Don't Lie - Shakira featuring Wyclef Jean
3. Promiscuous - Nelly Furtado featuring Timbaland 
4. S.O.S. - Rihanna
5. Temperature - Sean Paul
6. How To Save A Life - The Fray
7. Beep - Pussy Cat Dolls
8. Waiting On The World To Change - John Mayer
9. Lean Wit It, Rock Wit It - Dem Franchise Boys
10. You're Beautiful - James Blunt
11. Chasing Cars - Snow Patrol
12. I Write Songs, Not Tragedies - Panic! At the Disco
13. Everytime We Touch - Cascada
14. Break It Off - Rihanna Featuring Sean Paul
15. Walk Away - Kelly Clarkson
16. It's Goin' Down - Young Joc
17. Dance, Dance - Fall Out Boy
18. Smack That - Akon
19. White & Nerdy - Weird Al
20. Irreplaceable - Beyonce
21. My Love - Justine Timberlake 
22. Money Maker - Ludicris Featuring Pharrell
23. What Hurts the Most - Rascall Flatts
24. Check' On It - Beyonce Featuring Slim Thugg
25. Say It Right - Nelly Furtado
26. Me & U - Cassie
27. Wait A Minute - Pussy Cat Dolls Featuring Timbaland
28. What's Left Of Me - Nick Lachey
29. Ms. New Booty - Bubba Sparx
30. Fergalicious - Fergie
31. Ain't No Other Man - Christina Aguilera
32. Gimme That - Chris Brown
33. Get Up - Ciara Featuring Chamillionaire
34. Black Horse and The Cherry Tree - K.T. Tunstall
35. Dani California - Red Hot Chili Peppers
36. Buttons - Pussy Cat Dolls
37. Gallery - Mario Vasquez
38. Sexy Love - Ne Yo
39. Deja Vu - Beyonce Featuring Jay-Z
40. Lips of An Angel - Hinder
41. Far Away - Nickleback
42. Snap Yo Fingers - Lil' Jon
43. Ridin' - Chamillionaire
44. Crowded - Jeanie Ortega
45. Girl Next Door - Saving Jane
46. I Wanna Love You - Akon Featuring Snoop Dogg
47. Bad Day - Daniel Powter
48. Give It Up To Me - Sean Paul Featuring Keyshia Cole
49. Too Little Too Late - JoJo
50. We're All In This Together - High School Musical Cast
51. Come To Me - Diddy Featuring Nicole Scherzinger
52. So What - Field Mob Featuring Ciara
53. Say I - Christina Millian
54. London Bridge - Fergie
55. Do It To It - Cherish
56. Where'd You Go - Fort Minor
57. Move Along - All American Rejects
58. Walk Away -Paula DeAnda
59. Over My Head (Cable Car) - The Fray
60. Hurt - Christina Aguilera
61. Right Where You Want Me - Jesse McCartney
62. Call Me When Your Sober - Evanescence
63. Upside Down - Jack Johnson
64. Say Goodbye - Chris Brown
65. Show Me What You Got - Jay-Z
66. Honky Tonk Badonkadonk - Trace Adkins
67. Shoulder Lean - Young Dro Featuring T.I.
68. Unfaithful -Rihanna
69. Before He Cheats - Carrie Underwood
70. Long Way To Go - Cassie
71. Walk It Out - Unk 
72. We Fly High - Jim Jones 
73. Bossy - Kelis
74. Right Here - Staind
75. Show Stoppers - Danity Kane

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January 7 - January 13: Don't Forget about Us - Mariah Carey
January 14 - January 20: Laffy Taffy - D4L
January 21 - February 3: Grillz - Nelly featuring Paul Wall, Ali and Gipp
February 4 - March 10: Check on It - Beyoncé featuring Slim Thug
March 11 - March 17: You're Beautiful - James Blunt
March 18 - March 31: So Sick - Ne-Yo
April 1 - April 7: Temperature - Sean Paul
April 8 - May 12: Bad Day - Daniel Powter
May 13 - June 2: SOS - Rihanna
June 3 - June 16: Ridin' - Chamillionaire featuring Krayzie Bone
June 17 - June 30: Hips Don't Lie - Shakira featuring Wyclef Jean
July 1 - July 7: Do I Make You Proud - Taylor Hicks
July 8 -August 19: Promiscuous - Nelly Furtado featuring Timbaland
August 19 - September 8: London Bridge - Fergie
September 9 - October 27th: SexyBack - Justin Timberlake
October 28 - November 10th: Money Maker - Ludacris featuring Pharrell
December 2 - December 15: I Wanna Love You - Akon featuring Snoop Dogg
December 16 - January: Irreplaceable - Beyoncé