The #1 song on January 4, 2013

Locked Out of Heaven By Bruno Mars

Other #1 songs on January 4, 2013

UK #1 Song

Impossible
James Arthur

#1 R&B Song

Diamonds
Rihanna

#1 Country Song

Cruise
Florida Georgia Line

#1 Alternative Hit

Madness
Muse

#1 Dance Track

Finally Found You
Enrique Iglesias featuring Sammy Adams