The #1 song on January 20, 2015

Uptown Funk By Mark Ronson featuring Bruno Mars

Other #1 songs on January 20, 2015

UK #1 Song

Uptown Funk
Mark Ronson featuring Bruno Mars

#1 R&B Song

I Don't Fuck with You
Big Sean featuring E-40

#1 Country Song

Something in the Water
Carrie Underwood

#1 Alternative Hit

Something from Nothing
Foo Fighters

#1 Dance Track

Go All Night
Gorgon City featuring Jennifer Hudson