Images: (Header) Louis Carrogis de Carmontelle, French, Figures Walking in a Parkland (detail), 1783–1800. Transparent and opaque watercolor with traces of black chalk underdrawing on translucent Whatman paper. The J. Paul Getty Museum, Los Angeles, 96.GC.20, TL42418.3. Sneak Peek: John Russell, British, Lunar Planisphere, Hypothetical Oblique Light, 1806. Stipple and line engraving on moderately thick, slightly textured, cream wove paper. Yale Center for British Art, Paul Mellon Collection, B2016.39.2, TL42412.2. Opening Day: Jacques-Fabien Gautier d’Agoty, French, Muscles of the Back, Plate 14 from Myologie complette en couleur et grandeur naturelle (Complete Scientific Study of Muscles in Color and Life-Size), by Joseph Guichard Duverney (Paris: Gautier, 1746). Color mezzotint. Philadelphia Museum of Art, Purchased with the SmithKline Beckman Corporation Fund, 1968, 1968-25-79n, TL42415.2. Image: Courtesy of the Philadelphia Museum of Art. Photo: Joseph Hu. Courtyard Concert: Alicia Hall Moran (Photo: Thais Aquino) and Yosvany Terry (Photo: Nicola Dracoulis).