Watch MoviestoWatch. LICHT (1977–2003) is a cycle of seven monumental operas by Karlheinz Stockhausen, spanning the seven days of the week and intended to encapsulate the whole of life. From the whole work’s 29 hours of music, aus LICHT comprises 15 hours of selected key sections performed over 3 days, capturing the whole tonal universe of the original LICHT cycle.