​**CONCERT BY LE CHOUER GREGORIEN DE PARIS (Sun, Oct 27, 7pm): The Gregorian Choir of Paris (Le Choeur grégorien de Paris) will be stopping in the Philadelphia area during their first-ever tour of the United States, celebrating their 50th anniversary, as well as the much-awaited reopening of the great Cathedral of Notre-Dame de Paris (following the fire of 2019) on December 8. The concert will be held here at St. John's, with the assistance of The Durandus Institute for Sacred Liturgy & Music. Admission is free. More details to come.