Wikipedia
Wave-Gotik-Treffen
Wave-Gotik-Treffen ( ger. das Treffen means "the meeting") is an annual world festival for "dark" music and arts in Leipzig, Germany. 150+ bands and artists from various backgrounds ( Gothic rock, EBM, Industrial, Noise, Darkwave, Neofolk, Neo-Classical, Medieval music, Experimental, Gothic metal, Deathrock and Punk music being examples) play at several venues throughout the city over 4 days on Whitsuntide. The festival also features several fairs with medieval, gothic and cultural merchandise.
With 18,000 to 20,000 regular attendants, the WGT is one of the largest events of the Goth-, Cybergoth-, Steampunk and Rivethead- subcultures worldwide.