The #1 R&B song on August 21, 2011

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

Other #1 songs on August 21, 2011

#1 Hit Song

Last Friday Night (T.G.I.F.)
Katy Perry

UK #1 Song

Don't Go
Wretch 32featuring Josh Kumra

#1 Country Song

Just a Kiss
Lady Antebellum

#1 Alternative Hit

The Adventures of Raindance Maggie
Red Hot Chili Peppers

#1 Dance Track

I Wanna Go
Britney Spears