The #1 song on March 29, 2015

Uptown Funk By Mark Ronson featuring Bruno Mars

Other #1 songs on March 29, 2015

UK #1 Song

Hold My Hand
Jess Glynne

#1 R&B Song

FourFiveSeconds
Rihanna featuring Kanye West & Paul McCartney

#1 Country Song

Take Your Time
Sam Hunt

#1 Alternative Hit

Lampshades on Fire
Modest Mouse

#1 Dance Track

Elastic Heart
Sia