When was musical notation invented and why is concert music unthinkable without it? Is "Baroque" an insult or a designation of an era? Why is the harpsichordist Wanda Landowska the first star of early music? What significance do jam sessions have for the beginnings of modern jazz? This music history in snapshots provides answers. The journey spans from early polyphony to electronic music, from Bach to John Cage and Miles Davis, from Minnesang to techno. 200 short chapters present key developments, events, works, and figures based on the latest knowledge.