June 21st in music in this town in the Vexin valdoisien
Osny, a town in the Val-d'Oise neighboring Pontoise, the department's prefecture, shares a well-established cultural tradition with its larger neighbor. Every June 21st, the town of Osny celebrates the Fête de la Musique by filling its public spaces with a free and varied musical program. The event, which brings together amateur and professional musicians from all backgrounds, is one of the most popular celebrations on the municipal calendar and mobilizes a large and enthusiastic audience each year.
For the Fête de la Musique, the town of Osny sets up several outdoor stages in the town's neighborhoods, allowing music to reach residents more closely. The main stage, set up in the central square or a municipal park, hosts the most important musical groups and attracts a large audience. Secondary stages, spread across other neighborhoods, allow emerging bands and students to showcase their work in a more intimate atmosphere. This decentralization of concerts throughout the town ensures that all residents, regardless of their geographical location within the municipality, can enjoy the event without having to travel.
The program for Osny's Fête de la Musique reflects the town's musical and cultural richness. Rock, jazz, funk, reggae, classical and contemporary music, world music, and traditional music – all styles have their place in this celebration that rejects hierarchies and fixed categories. The conservatories and music schools in the area present their classes and ensembles, from shy beginners to experienced musicians. Local amateur bands, who sometimes rehearse for years without ever performing in public, seize this unique opportunity to share their passion with their neighbors. Professional musicians complete the program with more elaborate sets.
Osny's Fête de la Musique is not just a cultural event; it is above all a popular festival that brings residents together around a common passion. Families settle on park lawns to listen to concerts, young people dance to festive rhythms, elders rediscover their favorite songs, and children experience the wonder of an outdoor concert for the first time. This ability of music to unite individuals of different ages, origins, and sensibilities is what gives this event its true value. The evening of June 21st in Osny is as long as the daylight hours, extending into the early moments of the next day's sun.
Date: June 21st each year (summer solstice).
By car: Osny is accessible from Pontoise via the D14 or D915. Parking available in the neighborhoods.
By public transport: Bus from Pontoise train station (Transilien lines J and H, RER C).
Free admission for all concerts and activities.
The Fête de la Musique returns to Osny on Sunday, June 21, 2026, starting at 6:00 PM in the green setting of Parc de Grouchy. On the program: the contemporary music workshops of the Osny Municipal Music School, followed by the group Team Rock, which revisits the best pop, rock, variety, and disco standards from the 70s to the present day. Free admission, food trucks on site.
To celebrate the first day of summer, the City of Osny invites residents and music lovers from Val-d'Oise on Sunday, June 21, 2026 to Parc de Grouchy, a green setting of several hectares surrounding the eponymous castle. Concerts begin at 6:00 PM and continue into the evening to celebrate the summer solstice in a family-friendly and popular atmosphere.
The evening opens with the contemporary music workshops of the Osny Municipal Music School. Students and their teachers take to the stage to present the work carried out during the year: covers, creations, collective formations… A moment that highlights the local musical dynamic and the involvement of Osny families in the cultural life of the commune.
The evening continues with Team Rock, a six-musician band specializing in pop, rock, variety, and disco covers, from the 70s to today. The group performs medleys and standards to get the audience singing and dancing in a festive atmosphere, in the pure tradition of the popular Fête de la Musique, cherished by Osny since 1982.
Food trucks are set up in the park throughout the evening to allow everyone to eat on site. The setting of Parc de Grouchy, with its lawns and century-old trees, offers an ideal backdrop for enjoying outdoor concerts, with family or friends, on a blanket or near the stages.
Times are given for informational purposes based on the official communication from the City of Osny and the local cultural agenda. The program may be subject to slight changes as the event approaches.
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Parc de Grouchy
14 rue William Thornley, 95520 Osny, 95520 Osny