The #1 country song on August 13, 2011

Knee Deep By Zac Brown Band featuring Jimmy Buffett

Other #1 songs on August 13, 2011

#1 Hit Song

Party Rock Anthem
LMFAO featuring Lauren Bennett and GoonRock

UK #1 Song

Swagger Jagger
Cher Lloyd

#1 R&B Song

I'm On One
DJ Khaled featuring Drake, Rick Ross & Lil Wayne

#1 Alternative Hit

Walk
Foo Fighters

#1 Dance Track

The Edge of Glory
Lady Gaga