In 2015, Cumbee co-wrote 3 songs for Natalia Jiménez album "Creo En Mí" ("Creo En Mí", "Algo Brill En Mi " and "Tú No Me Quieres Más"). The album was nominated for Album of the Year at the 2015 Latin Grammy Awards but lost out to Juan Luis Guerra 4.40. Also in 2015, Sean Paul's album "Full Frequency" received a Grammy nomination as Reggae album of the year, Josh was engineer on the track "Pornstar" from the album.