명상 음악 과 함께 명화 도 감상 하 시 와요 . Martin Johnson HeadeAmerican Hudson River School painter born 1819 - died 1904 Giant Magnolias on a Blue Velvet ClothOil on canvas , c . 189015 x 24 1 / 8 inches ( 38 . 4 x 61 . 5 cm ) National Gallery of Art , Washington