The annual International Festival of Organ, Choir, and Chamber Music begins July 1st and will last till August 26th. Artists from all over the world will perform in the biggest in Europe brick church building, St. Mary's Church in Gdańsk. Thanks to its incredible acoustics the performances guarantee to be an exquisite experience. Among the invited artists are: Chamber Choir "441 Hz", Vocal Ensemble "Art'n'Voices", Eugeniusz Wawrzyniak (Belgium-organ), Bogusław Grabowski (organ), Tomasz Orlov (organ), Michael Unger (Canada-organ), Agnieszka Tomaszewska (soprano), Poilsh Chamber Choir Schola Cantorum Gedanensis, Bogusław Grabowski (organ),  Maciej Sikała (saxophone), Anna Wilczewska (conductor) and Józef Serafin (organ). The special concert celebrating Saint Mary's Assumption Day will take place on the 15th of August at 8.30 pm. From its inception in 1978, the festival hosted close to 400 musical artists. More detailed information is available on the festival's website:  http://festiwalorganowy.pl/