<Table> Key <Tr> <Td> The yellow background indicates the #1 song on Billboard's 2003 Year - End Chart of Pop Singles . </Td> </Tr> </Table> <Tr> <Td> The yellow background indicates the #1 song on Billboard's 2003 Year - End Chart of Pop Singles . </Td> </Tr> <Table> <Tr> <Th> Issue date </Th> <Th> Song </Th> <Th> Artist (s) </Th> <Th> Reference </Th> </Tr> <Tr> <Td> January 4 </Td> <Td> "Lose Yourself" </Td> <Td> Eminem </Td> <Td> </Td> </Tr> <Tr> <Td> January 11 </Td> <Td> </Td> </Tr> <Tr> <Td> January 18 </Td> <Td> </Td> </Tr> <Tr> <Td> January 25 </Td> <Td> </Td> </Tr> <Tr> <Td> February 1 </Td> <Td> "Bump, Bump, Bump" </Td> <Td> B2K featuring P. Diddy </Td> <Td> </Td> </Tr> <Tr> <Td> February 8 </Td> <Td> "All I Have" </Td> <Td> Jennifer Lopez featuring LL Cool J </Td> <Td> </Td> </Tr> <Tr> <Td> February 15 </Td> <Td> </Td> </Tr> <Tr> <Td> February 22 </Td> <Td> </Td> </Tr> <Tr> <Td> March 1 </Td> <Td> </Td> </Tr> <Tr> <Td> March 8 </Td> <Td> "In da Club" </Td> <Td> 50 Cent </Td> <Td> </Td> </Tr> <Tr> <Td> March 15 </Td> <Td> </Td> </Tr> <Tr> <Td> March 22 </Td> <Td> </Td> </Tr> <Tr> <Td> March 29 </Td> <Td> </Td> </Tr> <Tr> <Td> April 5 </Td> <Td> </Td> </Tr> <Tr> <Td> April 12 </Td> <Td> </Td> </Tr> <Tr> <Td> April 19 </Td> <Td> </Td> </Tr> <Tr> <Td> April 26 </Td> <Td> </Td> </Tr> <Tr> <Td> May 3 </Td> <Td> </Td> </Tr> <Tr> <Td> May 10 </Td> <Td> "Get Busy" </Td> <Td> Sean Paul </Td> <Td> </Td> </Tr> <Tr> <Td> May 17 </Td> <Td> </Td> </Tr> <Tr> <Td> May 24 </Td> <Td> </Td> </Tr> <Tr> <Td> May 31 </Td> <Td> "21 Questions" </Td> <Td> 50 Cent featuring Nate Dogg </Td> <Td> </Td> </Tr> <Tr> <Td> June 7 </Td> <Td> </Td> </Tr> <Tr> <Td> June 14 </Td> <Td> </Td> </Tr> <Tr> <Td> June 21 </Td> <Td> </Td> </Tr> <Tr> <Td> June 28 </Td> <Td> "This Is the Night" </Td> <Td> Clay Aiken </Td> <Td> </Td> </Tr> <Tr> <Td> July 5 </Td> <Td> </Td> </Tr> <Tr> <Td> July 12 </Td> <Td> "Crazy in Love" </Td> <Td> Beyoncé featuring Jay - Z </Td> <Td> </Td> </Tr> <Tr> <Td> July 19 </Td> <Td> </Td> </Tr> <Tr> <Td> July 26 </Td> <Td> </Td> </Tr> <Tr> <Td> August 2 </Td> <Td> </Td> </Tr> <Tr> <Td> August 9 </Td> <Td> </Td> </Tr> <Tr> <Td> August 16 </Td> <Td> </Td> </Tr> <Tr> <Td> August 23 </Td> <Td> </Td> </Tr> <Tr> <Td> August 30 </Td> <Td> </Td> </Tr> <Tr> <Td> September 6 </Td> <Td> "Shake Ya Tailfeather" </Td> <Td> Nelly, P. Diddy and Murphy Lee </Td> <Td> </Td> </Tr> <Tr> <Td> September 13 </Td> <Td> </Td> </Tr> <Tr> <Td> September 20 </Td> <Td> </Td> </Tr> <Tr> <Td> September 27 </Td> <Td> </Td> </Tr> <Tr> <Td> October 4 </Td> <Td> "Baby Boy" </Td> <Td> Beyoncé featuring Sean Paul </Td> <Td> </Td> </Tr> <Tr> <Td> October 11 </Td> <Td> </Td> </Tr> <Tr> <Td> October 18 </Td> <Td> </Td> </Tr> <Tr> <Td> October 25 </Td> <Td> </Td> </Tr> <Tr> <Td> November 1 </Td> <Td> </Td> </Tr> <Tr> <Td> November 8 </Td> <Td> </Td> </Tr> <Tr> <Td> November 15 </Td> <Td> </Td> </Tr> <Tr> <Td> November 22 </Td> <Td> </Td> </Tr> <Tr> <Td> November 29 </Td> <Td> </Td> </Tr> <Tr> <Td> December 6 </Td> <Td> "Stand Up" </Td> <Td> Ludacris featuring Shawnna </Td> <Td> </Td> </Tr> <Tr> <Td> December 13 </Td> <Td> "Hey Ya!" </Td> <Td> OutKast </Td> <Td> </Td> </Tr> <Tr> <Td> December 20 </Td> <Td> </Td> </Tr> <Tr> <Td> December 27 </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Issue date </Th> <Th> Song </Th> <Th> Artist (s) </Th> <Th> Reference </Th> </Tr>

What was the number one song in august 2003