This whimsical illustration depicts the interior of a traditional theater, where the entire audience and the main performer on stage are cats. In the foreground, a cat dressed as a dapper musketeer, complete with a dark cape and wide-brimmed hat, stands center stage on a wooden floor scattered with fallen rose petals. Behind him, the auditorium is packed with scores of cats of various breeds and colors, occupying both the stalls and the curved, tiered balcony boxes that line the walls.
The composition is structured around the architectural curves of the theater, using warm yellow and muted gray tones for the balcony boxes, which are framed by heavy red velvet curtains. The scene is lit by small, glowing lights tucked into the balcony partitions, casting a soft, theatrical ambiance over the assembly of felines. Many of the cats are looking toward the stage, with some raising their paws or holding small objects like flowers.
The artwork is done in a detailed, cartoon-like style with clear outlines and saturated colors. The stage area also includes small props, such as a red polka-dot bundle tied to a stick and a small bundle of wheat. The overall mood is humorous and charming, transforming a formal performance space into a lighthearted gathering of curious cats.