The #1 R&B song on April 21, 2004

Yeah! By Usher featuring Lil Jon and Ludacris

Other #1 songs on April 21, 2004

#1 Hit Song

Yeah!
Usher featuring Lil Jon and Ludacris

UK #1 Song

Fuck It (I Don't Want You Back)
Eamon

#1 Country Song

When the Sun Goes Down
Kenny Chesney & Uncle Kracker

#1 Alternative Hit

Last Train Home
Lostprophets

#1 Dance Track

Amazing
George Michael