Immersive underground beats, featuring raw tekno, acid, experimental sounds, and high-energy performances
Spontaneous collaborations, blending electronic rhythms, live instruments, and improvised grooves.
Underground bands, diverse genres, raw energy, and immersive performances that push musical boundaries.
Vibrant hub with workshops, art exhibitions, and live performances, blending creativity with underground culture.
Nostalgia rave with 90s hits and retro beats, taking you back to the golden era of underground dance.
We are looking for partners to grow the concept. Want to join our endeavour? Get in touch!
Want to showcase your project on GRONDSLAG?
Want to showcase your project on GRONDSLAG?
Want to showcase your project on GRONDSLAG?
Bar - Vestiare
We’re seeking passionate individuals to join our team in roles like bar crew, food crew, stewards and runners. Be a part of the underground movement and help us create an unforgettable experience through teamwork and creativity. Your contribution will shape the vibe and success of GRONDSLAG.
Build-up & tear-down
Help shape the project
Got a creative spark or a bold idea? Whether you’re a creator, organizer, artist, performer, musician, or just someone with a passion for the underground scene, bring it to GRONDSLAG! We celebrate innovation, fresh perspectives, and a deep love for the underground. Share your talent and be part of a dynamic experience that thrives on creativity and connection.
Kolonel Begaultlaan 21,
3012 Leuven
Studio Manhattan, located at the Vaartkom in Leuven, was the largest nightclub in the Benelux during the 1980s, hosting performances by some of the biggest names of the era.
Step into Studio Manhattan and immerse yourself in the raw, iconic atmosphere of this legendary venue. Experience the energy of its underground roots—where history meets the pulse of the future.
At GRONDSLAG, we celebrate freedom in all its forms—free spirits, free minds, free people. Secure your place for this unparalleled experience. We don’t have fixed-price tickets because we believe that your budget shouldn’t limit your access to cultural exploration. Spaces are limited, so don’t miss your chance to join this underground experience. Reserve your spot now and get your RSVP ticket here.
Don't miss out,
Reserve your spot
Support the project
Donate at the door
Want to support our endeavor and help ensure the continuity of our operations? A free contribution will be asked at the door. If you’ve got something to spare, your support goes a long way in supporting the artists, partners, performers and creators. Your contribution helps keeping the GRONDSLAG spirit free and alive.
Grondslag is the result of incredible collaboration and the shared passion of many. We’re proud to have the opportunity to work with such a diverse and talented group of partners who help bring this festival to life. Together, we’ve built something truly special. A massive shoutout to all of our partners for their dedication, creativity, and hard work. Without them, GRONDSLAG wouldn’t be possible.
Want to be part of this incredible journey? We’re always looking for new talent and creative minds to join the tribe. If you have a heart that is rooted in the underground and you’re passionate about building unique experiences, get in touch!
GRONDSLAG lays the groundwork for an authentic underground experience, reflecting the raw, unfiltered aspects of music, art, and expression. It serves as a platform for communities that embrace alternative lifestyles and countercultural movements, where creativity can thrive outside mainstream constraints.
At its core, GRONDSLAG fosters a sense of unity. It brings together like-minded individuals who are passionate about music, art, and underground culture. Through a carefully curated blend of live bands, electronic music and a DIY expo, the festival becomes a living, breathing entity that connects people on a deeper level.
GRONDSLAG offers participants a full-spectrum experience. Whether it’s the intensity of a rave, the emotional depth of live concerts, or the vibrant interactions within the the DIY expo, GRONDSLAG provides a foundation for diverse and transformative experiences.
As an event, GRONDSLAG is more than just a moment; it’s a movement that helps promote underground culture. In a world that often pushes commercialization, GRONDSLAG remains a space where independent artists and subcultures can flourish and stay true to their roots.
Stay tuned📻, stay weird😤 & stay free ⚑.
We'll see you on the flipside!
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