Good Friday calendar's 3 April. The calculations for identifying the date of the full moon also differ. See Computus. In Eastern Christianity, Easter can fall between 22 March and 25 April on Julian Calendar (thus between 4 April and 8 May in terms of the Gregorian calendar, during the period 1900 and 2099), so Good Friday can fall between 20 March and 23 April, inclusive (or between 2 April and 6 May in terms of the Gregorian calendar). Good Friday assumes a particular importance in the plot of Richard Wagner's music drama "Parsifal", which contains an orchestral interlude known as the "Good
Opera supernatural atmosphere. Other opera composers of the time include Marschner, Schubert and Lortzing, but the most significant figure was undoubtedly Wagner. Wagner was one of the most revolutionary and controversial composers in musical history. Starting under the influence of Weber and Meyerbeer, he gradually evolved a new concept of opera as a "Gesamtkunstwerk" (a "complete work of art"), a fusion of music, poetry and painting. He greatly increased the role and power of the orchestra, creating scores with a complex web of leitmotifs, recurring themes often associated with the characters and concepts of the drama, of which prototypes can be