The #1 song on May 27, 2009

Boom Boom Pow By The Black Eyed Peas

Other #1 songs on May 27, 2009

UK #1 Song

Bonkers
Armand Van Helden vs Dizzee Rascal

#1 R&B Song

Birthday Sex
Jeremih

#1 Country Song

It Happens
Sugarland

#1 Alternative Hit

Know Your Enemy
Green Day

#1 Dance Track

Wrong
Depeche Mode