Question: "Kiss It Better" is a song recorded by Barbadian singer Rihanna for her eighth studio album, "Anti" (2016), the song was serviced to the radio stations in the United States on March 30, 2016 together with "Needed Me", was written by Rihanna, Brittany Hazard, Charles Hinshaw and Derrus Rachel together with its producer who?
Answer: DJ Mustard