11 - 28TH OF SEPTEMBER 2025 - Brussels - Lille - PAris
An Itinerant and Inclusive Edition
From concerts and performances to exhibitions, workshops and artistic residencies, In.Out.Sider 2025 offers a bold and eclectic program at the crossroads of outsider art, experimental creation and social engagement. The festival takes over LaVallée, the Urban Boat barge, and several partner venues in Brussels, Lille and Paris, with a strong commitment to inclusion for artists with and without disabilities.
IN BRUSSELS
Collaborative creations & participatory residencies
A monumental mural will be created on the Urban Boat by artists from Créahmbxl center, in collaboration with Jérôme Meynen. Video workshops by RHIZOM, outsider art exhibitions, and poetic kinetic installations by Pierre Gordeeff are also featured. Volunteers with disabilities, trained in key festival roles, will actively take part in all aspects of the event.
Thursday, September 11
LAST MINUTE CHANGE due to uncertain weather conditions !
MURAL OPENING on Urban Boat , come check out the work of Jérôme Meynen and Creahmbxl Avenue du Port, 1 - 18.00 (5min walk from LaVallee)
CONCERTS WILL HAPPEN AT LAVALLEE, OPENING AT 18.00
18.00-23.00
Mural opening on the boat - Avenue du Port, 1 - 18.00
Génération Intime (live) - 19.30 - LaVallee
Why The Eye (live) - 20.30 - LaVallee
DJ Pierre (DJ set) - 21.30 - LaVallee
Friday, September 12 – LaVallée
16.00-22.00
Expo Pierre Gordeeff - installations “home made machines”
Expo - vidéos “Les yeux carrés”
18.00-03.00
Screening & talk: L’Annonce - 18.00
Klaus Beyer (live + artist talk) - 20.00
Maya Dhondt (live) - 21.00
Jim E Brown (live) -22.00
Pö (live) - 23.00
Le Soleil et l’Acier (live) -00.00
Camposs (live) - 01.00
Donia (DJ set) - 02.00
Saturday, September 13 – LaVallée
Expo Pierre Gordeeff - installations “home made machines” - 16.00 -22.00
Expo - vidéos “Les yeux carrés” - 16.00- 22.00
15.30-20.00
Family-friendly afternoon !
Circus workshop by Handicirque and le Potelier des Pilifs - 16.00-18.00
Casquette dans la quiche (children’s concert) - 17.00
grimage by Grimelab_bxl
Next UP - 18.00 - 04.00
Micuicocola (live) - 18.00
DJ In.Out.Sider - 19.00
Pierre Gordeeff - 19.00- 20.00
Achille berthou-surtout (TALK/PERFORMANCE) - 20.30
Dreun xl (live) - 20.00
Radio Hito (LIVE)- 21.00
Dean Rodney JR & The Cowboys (LIVE)- 22.00
Benefits (LIVE)- 23.00
Nova Materia (LIVE) - 00.00
La bande à Bader (LIVE) - 01.00
Margaux59000 (DJ SET) - 02.00
Ojoo (DJ SET) - 03.00
in LILLE
Cross-residency on board the Urban Boat (September 21–25)
Belgian and German artists meet on board the barge for a collaborative residency. Brainrot Cowboy, Schrunzel, Thomas Mahmoud and inclusive journalists from Les Contistadors will create and document the experience.
Friday, September 20 – Urban Boat in Lille (collaboration with l’Aeronef)
Live performances by Brainrot Cowboy, Schrunzel, Thomas Mahmoud
19.00 - Opening
20.00 - Brainrot Cowboy (post punk experimental, Brussels)
21.00 - Schrunzel & Mahmoud (electronic, Berlin)
Free event but mandatory registration via : https://shotgun.live/fr/events/in-out-sider-festival-lille
The location will be sent to you by email.
in PARIS
Thursday, September 26 – Centre Wallonie-Bruxelles, Paris
46 rue Quincampoix, 75 004
Collaboration with Festival ((((INTERFERENCE_S))))
18.30 - Roundtable by Fluctuations
“ça ressemble à quoi un dancefloor inclusif et politique ?”
19.30 - Short film screenings Marion Lissarague (Brainrot Cowboy) et Schrunzel_Projection
20.15 - lives
Frédéric Prieur (live)
Artistic residency showcase : Brainrot Cowboy, Schrunzel, Thomas Mahmoud
Night Metamorphosis installation by Mika Oki
Free entry with reservation – www.cwb.fr
Saturday, September 27 – Canal Saint-Martin
Floating concert series along the canal with Adamant Sound System and guest artists
Sunday, September 28 – Alliance du festival (((INTERFERENCE_S))) x Festival In.Out.Sider x Barboteur.
Barboteur - Place de la Pointe (Pantin)
15.00-22.00
15.00 - Dj set : Equipe In.Out.Sider
15.00-18.00- Pièce sonore en écoute : L’arrivée de l’orage dans la région du Sertão, Léa Paintandre
16.00 - Live interactif : Miskin Télé
17.00 - Concert Wanino
18.00 - Live Surprise Marie Klock
19.00-22.00 - Dj set : Christina Monet b2b Etienne Blanchot
Tickets for Sunday (free) : https://shotgun.live/fr/events/in-out-sider-festival
A Festival Beyond Categories
In.Out.Sider 2025 celebrates the richness of difference, the vibrancy of alternative voices and the creative spark of artists working outside conventional frameworks. It’s an open, collective and joyful journey through experimental music, outsider art, and radical inclusion.