The rest of the tickets for the September-October concerts are also up for sale now. Sales will start with small audience numbers. Avanti!, UMO Helsinki and FiBO will perform together on September 14, the witches of baroque operas will be at the center of the concert with soprano Tuuli Lindeberg and FiBO on September 22, and the Helsinki Early Music Festival will offer 13 different events from October 1 to 10 (concerts and other events).