IN A SMALL GALLERY on the second floor of Virginia’s Hampton University Museum hangs Henry Ossawa Tanner’s The Banjo Lesson. A young boy sits in the lap of his grandfather, learning to play the titular instrument, the pair surrounded by the evidence of life lived: clothes hung in the background, a loaf of bread and a white pitcher on a table, cooking pots at their feet. Color and shadow blend exquisitely to create a subtle glow that is cast onto the pair together at the fireside.Tanner is widely regarded as the most important Black American artist of the nineteenth century, and this 1893 oil