Organ

One of the oldest music festivals in Tallinn, the festival is centred around St. Nicholas’ church and museum, also home to the Bernt Notke’s masterpiece “Dance of Death”.
A programme of the more than 20 concerts is put together from the best musical experiences from past festivals. The programme will include local musicians as well as performers from around the World.
The festival also hosts a new programme for organists up to the age of 19.

Source: http://www.tourism.tallinn.ee/eng/fpage/experience/cultural_highlights#!4861_10667_1