Featured Image: Poster, Jazz Willisau: Carlos Actis Bato Quartet, 2000. Designed by Niklaus Troxler for Jazz Festival Willisau (Willisau, Switzerland). Offset lithograph.128.1 × 90.6 cm (50 7/16 × 35 11/16 in.) Gift of Niklaus Troxler, 2009-3-14.