The #1 R&B song on March 18, 2014

Happy By Pharrell Williams

Other #1 songs on March 18, 2014

#1 Hit Song

Happy
Pharrell Williams

UK #1 Song

Tsunami (Jump)
DVBBS and Borgeous featuring Tinie Tempah

#1 Country Song

Bottoms Up
Brantley Gilbert

#1 Alternative Hit

Do I Wanna Know?
Arctic Monkeys

#1 Dance Track

Blow
Beyoncé