55,000 visitors participated in the 2 nd edition of the event Musei in Musica (Music in Museums) held in Rome on the 20 th November 2010 between 8pm and 2am. Over 100 musical performances were staged in 47 venues, including museums and galleries, exhibition halls, universities, international institutions, churches and others, most of which opened their doors in the evening specially for the occasion. All performances were free of charge.