L.E.J is a French pop trio from Seine-Saint-Denis. The trio consists of childhood friends Lucie Lebrun, Elisa Paris and Juliette Saumagne, all born in 1993. They gained international attention after their medley of summer hits called "Summer 2015" went viral. As of March 2017 the video has over 64 000 000 views. The group's musical style combines pop, rap and classical influences. Lucie sings and plays saxophone, Elisa sings and does percussion and Juliette sings and plays the cello.