Sons Dessus Dessous #29 - Forum Diderot
"Under the auspices of the European Mathematical Society the Fourth Diderot Mathematical Forum took place simultaneously in Lisbon, Paris and Vienna, in 3-4 December 1999. Relationships between Mathematics and Music were presented at this conference in three complementary directions : "Historical Aspects" being addressed in Lisbon at the Fundaçao Calouste Gulbenkian, the "Mathematical Logic and Music Logic in the XX century" in Paris at the Ircam and the "Mathematical and computational methods in Music" at the University of Vienna.
A main deature of that Forum was its exchange of information through a teleconference among the three cities, which took place under the theme "The relations between Mathematics and Music are natural or cultural relations?" J. Bourguignon representing EMS was the main moderator of this event."
Source : Préface du livre Mathematics and Music : A Diderot Mathematical Forum