Guillaume and John are two composers who have been working together for two years on different musical projects. John has a guitarist training. For a long time he evolved through rock and funk projects, as a guitarist, composer and arranger, before turning into pop and electronic music. Guillaume is a sound engineer, writer, composer, performer, and arranger. In 2016, they met each other and formed a pop music band called Babes in Woods, with three other musicians. This band brought them to the final of the Virgin Radio project in 2017, and to the Sziget Festival emerging talents scene. At the end of 2017, Babes in Woods evolved and became Trafic., shifting into a music more electronic. Today, John and Guillaume are both active members of Trafic., but they also make music for themselves or other artists, in several genres.