The #1 R&B song on September 18, 2013

Blurred Lines By Robin Thicke featuring T.I. & Pharrell

Other #1 songs on September 18, 2013

#1 Hit Song

Roar
Katy Perry

UK #1 Song

Roar
Katy Perry

#1 Country Song

That's My Kind of Night
Luke Bryan

#1 Alternative Hit

Royals
Lorde

#1 Dance Track

Turn the Night Up
Enrique Iglesias