The #1 R&B song on May 4, 2014

Happy By Pharrell Williams

Other #1 songs on May 4, 2014

#1 Hit Song

Happy
Pharrell Williams

UK #1 Song

Summer
Calvin Harris

#1 Country Song

Play It Again
Luke Bryan

#1 Alternative Hit

Come with Me Now
Kongos

#1 Dance Track

You're Mine (Eternal)
Mariah Carey