Fourmillent comes from the verb fourmiller, which means to 'teem' or 'swarm', often used to describe ants. It evokes a sense of bustling activity and a multitude of small things.
In the song, the artist sings about "ces ardoises qui fourmillent" (these slates that teem). He uses this vivid imagery to describe the rooftops of Paris, suggesting they are alive with countless details, stories, and perhaps even the hidden lives of the city's inhabitants, making the seemingly inanimate slates feel vibrant and full of life.
Gauvain Sers turns Paris into a personal playground in Les Toits de Paris. He arrives in the capital with nothing but his guitar, squeezes into a tiny attic room, and quickly discovers that the real masterpiece of the city lies above the grand boulevards. Perched on the rooftops, he trades the hectic streets for a panoramic sea of chimneys, pigeons, and slate tiles lit by the Eiffel Tower’s nightly beam. The skyline becomes his open-air museum, a place to drink, dream, and watch the gray shades of dusk paint the horizon.
The song is both a love letter and an escape hatch. By climbing higher, the narrator shrugs off the daily grind, notices the quiet lives of cats and elderly misfits, and even imagines a neighbor sharing the same sleepless wonder. The rooftops symbolize freedom, creativity, and unexpected intimacy in the heart of a bustling city. In just a few minutes, Sers invites listeners to slow down, look up, and fall in love with Paris from a whole new angle.