The #1 alternative song on March 21, 2012

Somebody That I Used to Know By Gotye featuring Kimbra

Other #1 songs on March 21, 2012

#1 Hit Song

We Are Young
Fun featuring Janelle Monáe

UK #1 Song

Somebody That I Used to Know
Gotye featuring Kimbra

#1 R&B Song

Love on Top
Beyoncé

#1 Country Song

Home
Dierks Bentley

#1 Dance Track

International Love
Pitbull featuring Chris Brown