The #1 song on March 21, 2015
Uptown Funk By Mark Ronson featuring Bruno Mars
Other #1 songs on March 21, 2015
UK #1 Song
Lay Me Down
Sam Smithfeaturing John Legend
#1 R&B Song
FourFiveSeconds
Rihanna featuring Kanye West & Paul McCartney
#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