The #1 song on September 21, 2009

I Gotta Feeling By The Black Eyed Peas

Other #1 songs on September 21, 2009

UK #1 Song

Break Your Heart
Taio Cruz

#1 R&B Song

Pretty Wings
Maxwell

#1 Country Song

Big Green Tractor
Jason Aldean

#1 Alternative Hit

Uprising
Muse

#1 Dance Track

Celebration
Madonna