When Edgar Degas first exhibited Dance Class at the Opera in 1872, visitors to the Paris Salon were startled by its subject: not a grand myth or a noble portrait, but an ordinary ballet rehearsal, peopled by young dancers and their stern instructor. This was no accident. Degas had gained rare access to the inner sanctum of the Paris Opéra, a world usually hidden from public view, thanks to his friendship with the influential composer Ludovic Halévy.

The painting is one of several that Degas created in the early 1870s, each exploring the rituals and routines of the ballet—a motif that would become central to his work. The scene captures a moment of anticipation and fatigue: a group of ballerinas, some stretching, others slumping on benches, listen as the elderly ballet master, Jules Perrot, gestures with his cane. The polished wooden floor reflects the daylight streaming in from high windows, casting a cool, clear light on tutus and ribbons. Scattered music sheets and the casual postures of the dancers hint at the long hours and discipline behind the glamour of performance.

Unlike earlier depictions of dance, such as Jean-Baptiste Carpeaux's more formal sculptures, Degas’s painting is alive with offhand detail and the unguarded moments of daily practice. The focus is not on the spectacle, but on the labor and camaraderie behind the scenes. Dance Class at the Opera was painted during a period when Degas was experimenting with new ways to capture movement and modern life, making it a key work in the early Impressionist movement. While the exact provenance of this specific version is not always clear—Degas produced several related canvases and pastels in the early 1870s—it is known that many of his ballet scenes were quickly acquired by collectors who recognized their fresh approach.

Today, works from this series are found in major museums around the world, including the Musée d'Orsay and the Metropolitan Museum of Art. The painting marks a turning point in Degas's career, as he shifted from historical subjects to the contemporary world, forever changing how artists would view the everyday.