Woman at the Piano, 1875/76 Pierre-Auguste Renoir, French, 1841-1919 Oil on canvas, 36 5/8 x 29 1/2 in. (93.2 x 74.2 cm) Inscribed at lower left: Renoir Mr. and Mrs. Martin A. Ryerson Collection, Art Institute of Chicago #1937.1025

(From info card) "It was in the mid-19th century that the piano became the most popular instrument for domestc music making. By the time Pierre-Auguste Renoir made this painting, the upright piano in particular had become an almost indispensable accoutrement of the bourgeois home."

See also Two Young Girls at the Piano in the Met's Lehman Collection