Amid the juxtaposing act, the famed singer-producer issued a cease-and-desist to Trump. "On the day of the mass murder of 11 human beings at the hands of a deranged "nationalist," you played his song "Happy,"" it read. "There was nothing 'happy' about the tragedy inflicted upon our country on Saturday and no permission was granted for your use of this song for this purpose," it continued. 

Being the owner of its copyright, Pharrell "has not and will not grant [Trump] permission to publicly perform or otherwise broadcast" his music. He also states that unwarranted use of "Happy" constitutes copyright and trademark infringement. This isn't the first time an artist has objected to Trump's using their music for any reason. Steven Tyler of Aerosmith, as well as, the estate of the late Prince have both issued cease and desists to Trump.