The #1 dance song on January 21, 2007

Party People By Altar featuring Jeanie Tracy

Other #1 songs on January 21, 2007

#1 Hit Song

Irreplaceable
Beyoncé

UK #1 Song

Grace Kelly
Mika

#1 R&B Song

Irreplaceable
Beyoncé

#1 Country Song

Watching You
Rodney Atkins

#1 Alternative Hit

Snow (Hey Oh)
Red Hot Chili Peppers

Notable January 21 birthdays in the 2000s

IShowSpeed

Born January 21, 2005