Richard Wagner developmental in its treatment of leitmotifs. Wagner took 26 years from writing the first draft of a libretto in 1848 until he completed "Götterdämmerung" in 1874. The "Ring" takes about 15 hours to perform and is the only undertaking of such size to be regularly presented on the world's stages. Wagner's final opera, "Parsifal" (1882), which was his only work written especially for his Bayreuth Festspielhaus and which is described in the score as a ""Bühnenweihfestspiel"" ("festival play for the consecration of the stage"), has a storyline suggested by elements of the legend of the Holy Grail. It also carries
George Town Festival core of George Town as a UNESCO World Heritage Site in the previous year. Encouraged by the success of that event, a longer, month-long festival was mooted in 2010. Joe Sidek, a well known Malaysian artist, was roped in to manage the festival. In spite of budgetary constraints, the inaugural event was successfully held throughout the month of July in 2010. The art festival has been organised yearly since then, with events being held by utilising the city's heritage architecture as performance venues. The 2014 edition drew in 218,355 visitors, a figure which rose to 250,000 in the following year.