Don Carlos which debuted in 1867, ranks among the composer's most complex and challenging works. Based on the verse play by Schiller about tragic love and intrigue at the court of Philip II of Spain, the opera features a rich assortment of memorable characters and dramatic situations. Verdi revised the work twice, incorporating his changing musical ideas into a thoroughly revised Italian translation of the five act work, with optional cuts for a four-act version. This new edition is of