Wagner's Tristan und Isolde

With the 'Tristan chord' at the start of Wagner's opera Tristan und Isolde, the composer launched modern music. The political refugee, a former revolutionary, was living in Zurich when the lovely Mathilde Wesendonck, the wife of a rich businessman, inspired him to break off from working on Siegfried, part of his 'Ring cycle', and refocus his efforts on Tristan. Expelled from there, Wagner continued to work on the opera in the Palazzo Giustiniani in Venice, and finished it in Lucerne in 1859. The