In his latest documentary, Irish filmmaker Niall McCann delves into the emergence of Scotland’s indie music scene during the 1990s with “Lost In France,” spotlighting the influential Chemikal Underground label. The film features iconic bands such as The Delgados, Bis, Mogwai, Arab Strap, and Franz Ferdinand, offering a close-up look at the bonds of friendship, the creative process, and the essence of music. The narrative revisits a pivotal and tumultuous journey from the early days of these musicians’ careers, recreating a concert in Brittany that reunites the artists both personally and on stage after many years.