THE FESTIVAL FOR EVERYONE
22+23+24 MAY 2026
HAUT-MARTELANGE -MUSEE DE L'ARDOISE - LUXEMBOURG
OPEN SPACE
FREE ENTRY
Most of the festival is freely accessible: enjoy delicious food, refreshing drinks, live music, captivating performances, creative workshops, and browse the vibrant Creators’ Market — all without a ticket.
While two stages require a ticket for major concerts, five vibrant areas are completely free to explore — perfect for wandering, relaxing, and discovering something new
And don’t miss the atmospheric underground galleries of the Slate Museum, where history whispers through every stone.
READINGS - YOGA -WORKSHOPS -SCREENINGS
STREET ACTS - SHOWS - INSTALLATIONS -VISITS
CREATORS MARKET - EXHIBITIONS - WORKSHOPS
KARAOKE - SHOWS - MUSIC - DRINKS
FOOD - MUSIC - DRINKS
concerts
Beside the open space, we host over 20 concerts across two stages — or “venues,” as we like to call them:
“Le Con’Casseur” and “La Scierie.”
Discover and enjoy headline music acts DURING KOLL AN AKTIOUN
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More information coming soon.
NOISY CONCERTS FROM PUNK TO METAL BY HARDOISE
Concerts & DJ Sets Until Late
Family Sunday: Steady Concerts & Groovy Beats for Young and Old
TICKETS
NEWS
MORE ABOUT US AND WHAT WE DO :)
KOLLIBRIS AT WINTERMARKET BY MUSEE DE L'ARDOISE
PLANNING THE FUTURE
PREPARING A BEAUTIFUL SITEDESIGN