The call for papers of tosc@bern.2017 received 223 proposals from 30 countries: USA(58), UK (28), Italy (20), France (19), Germany (18), Austria (15), Canada (7), Spain (6), Portugal (6), Brazil (5), Australia (4), Czech Republic (4), Switzerland (4), Greece (4), Poland (3), Finland (3), Russia (3), Sweden (3), Israel (3), Slovakia (3), China (3), Japan (2), Colombia (1), Ireland (1), Denmark (1), Cyprus (1), Holland (1), New Zealand (1), Lithuania (1), Tunisia (1).
The topics proposed spanned all historical periods, as well as touching on various issues related to opera in its widest sense. Seventy papers have been accepted for the Conference.