“Steve Stoute, the CEO of the marketing firm behind the campaign, revealed that it was actually Pusha T who composed the unforgettable jingle.
‘You know who did that? Pusha T. That’s crazy that Pusha T wrote the song to McDonald’s,’ Stoute revealed, as he discussed his time working on the campaign, one of the first major projects for the marketing firm. “
Read the full story: http://www.essence.com/2016/06/03/pusha-t-wrote-mcdonalds-iconic-im-lovin-it-jingle