In Jean-Joseph Benjamin-Constant’s work, music is everywhere—in his representations of instruments and his homages to great composers, be they Beethoven or Camille Saint-Saëns. From easel to large wall paintings, the artist plays on the relationship between painting and music. We perceive the fourth art as a relevant thread to discuss Benjamin-Constant’s work with the objective to analyze the strategies used by the artist to evoke music in his work and renewal the link to Eugène Delacroix.