The #1 alternative song on April 21, 2011

Rope By Foo Fighters

Other #1 songs on April 21, 2011

#1 Hit Song

E.T.
Katy Perry featuring Kanye West

UK #1 Song

Party Rock Anthem
LMFAO featuring Lauren Bennett and GoonRock

#1 R&B Song

Look at Me Now
Chris Brown featuring Lil Wayne & Busta Rhymes

#1 Country Song

Colder Weather
Zac Brown Band

#1 Dance Track

E.T.
Katy Perry