The emblematic festival Jazz à Vienne welcomes each year more than 200 000 festival-goers and 1000 artists. This documentary retraces the history and relives the highlights of the festival, since its creation in 1981 by Jean-Paul Boutellier, Jean Gueffier, Pierre Domeyne, Jean-Pierre Vignola and George Wein. The greatest jazz musicians have performed there, such as Miles Davis, Michel Petrucciani, Ella Fitzgerald, Sonny Rollins, Lionel Hampton, Dee Dee Bridgewater, Herbie Hancock, Chet Baker, Dizzy Gillespie. So much so that in four decades, Jazz à Vienne has become one of the most important jazz festivals in the world, open to all styles.