The Orchestre national de Lille marked its 50th anniversary with a special gala concert that brought together three of its former and current music directors: Jean-Claude Casadesus, Alexandre Bloch, and Joshua Weilerstein. The event took place at the Auditorium Jean-Claude Casadesus, a venue previously known as the Nouveau Siècle. Jean-Claude Casadesus founded the orchestra in 1976 with the backing of then-mayor Pierre Mauroy. For this celebration, he was honored alongside his successors, Alexandre Bloch and Joshua Weilerstein, who have each contributed to the orchestra’s evolution over the years. Alexandre Bloch directed the orchestra from 2016 to 2024, a period during which he introduced new approaches and modernized the ensemble. He performed Richard Strauss's Suite of the Knight of the Rose, a piece that reflects his artistic vision and leadership. Joshua Weilerstein, who is currently the music director, concluded the concert with Poème de l'extase by Alexander Scriabin, a sweeping and dramatic composition that requires a large orchestra of 106 musicians, showcasing the ensemble’s strength and versatility. The concert featured works that each conductor personally connected with. Jean-Claude Casadesus opened the evening with Festive Overture by Dmitri Shostakovich, a lively and celebratory piece, followed by Bolero by Maurice Ravel, known for its hypnotic rhythm and gradual crescendo. These selections highlighted the orchestra's ability to perform a wide range of musical styles and eras. The gala not only celebrated the orchestra's half-century of musical achievements but also emphasized the continuity of its artistic legacy. By bringing together past and present leaders, the event honored the contributions of each conductor while looking forward to the orchestra’s future. The concert was a tribute to the enduring power of classical music and the collaborative spirit of the Orchestre national de Lille.