In 2017, Mason Jr. served as executive music producer for Pitch Perfect 3 - the final installment of the blockbuster Universal Pictures franchise, as well as the musical reworking of the 1980s classic Valley Girl (film) for MGM and USA Network's Unsolved, a scripted true crime series based on the murder investigations of Tupac Shakur and Notorious B.I.G.. He also served as composer and executive music producer on director Anthony Mandler’s feature debut Monster which was nominated for the 2018 Grand Jury Prize at Sundance.