The #1 alternative song on September 20, 2010

The Catalyst By Linkin Park

Other #1 songs on September 20, 2010

#1 Hit Song

Teenage Dream
Katy Perry

UK #1 Song

Start Without You
Alexandra Burkefeaturing Laza Morgan

#1 R&B Song

Deuces
Chris Brown featuring Tyga & Kevin McCall

#1 Country Song

Our Kind of Love
Lady Antebellum

#1 Dance Track

Wouldnit (I'm a Star)
Ono