In Harlequin with a Guitar, Juan Gris presents a vibrant figure of a Harlequin, characterized by angular shapes and bold colors. The Harlequin is depicted holding a guitar, which adds a musical element to the composition. The background features a mix of geometric forms, creating a sense of depth and movement.

The overall palette includes shades of blue, yellow, and red, typical of Gris's Cubist style. This painting is a fine example of Cubism, where the subject is broken down into geometric shapes and reassembled in a new form. The use of color is striking, with a predominance of primary colors that enhance the visual impact. Gris's technique involves layering and overlapping shapes, which invites the viewer to explore the composition from different angles.

The painting measures approximately 65 x 81 cm, making it a notable size for a work of this period. Juan Gris was a key figure in the Cubist movement, known for his innovative approach to form and color. Harlequin with a Guitar reflects his interest in the theatricality of the Harlequin character, often associated with the world of performance. An interesting fact about this work is that it embodies the transition from analytical to synthetic Cubism, showcasing Gris's unique style.

This painting is currently housed in the Museo Thyssen-Bornemisza in Spain.