The #1 dance song on March 31, 2015

Elastic Heart By Sia

Other #1 songs on March 31, 2015

#1 Hit Song

Uptown Funk
Mark Ronson featuring Bruno Mars

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