The #1 R&B song on March 20, 2015

FourFiveSeconds By Rihanna featuring Kanye West & Paul McCartney

Other #1 songs on March 20, 2015

#1 Hit Song

Uptown Funk
Mark Ronson featuring Bruno Mars

UK #1 Song

Lay Me Down
Sam Smithfeaturing John Legend

#1 Country Song

Take Your Time
Sam Hunt

#1 Alternative Hit

Shut Up and Dance
Walk the Moon

#1 Dance Track

Something New
Axwell and Ingrosso