The song is also Amerie's first single under the Island Def Jam Music Group.
An official remix premiered on Hot 97 on July 21, it features Nas, Jadakiss, Rick Ross and Kain.
Amerie spoke about "Why R U" in an interview with The Green Magazine : "I wrote the song when I was riding in a car.
This is the first time I didn’t record the majority of the album in New York, so I was kind of curious as to how things would come out.
"[2] The video for "Why R U" was shot during the second week of May 2009 in Los Angeles with director Ray Kay.