"The Lazy Song" is a melody by American vocalist-songwriter Bruno Mars from his introduction studio collection, Doo-Wops & Hooligans. It was discharged as the third single from the collection on February 15, 2011. Defaces composed the melody with K'naan and his preparation group The Smeezingtons, who in addition transformed the track. Musically, "The Lazy Song" shows impacts of reggae and Hawaiian music. The tune headed off to number one in the United Kingdom, ending up being his third number one single in under a year accompanying "Just the Way You Are" and "Grenade".