Trivia - June 25

Question: The traditional primary patroness of musicians, composers, and singers has been St Cecilia, although her story is based on legend.  However, this pope of the 6th century is also venerated as the patron of musicians, having given his papal name to an entire school of Church music. Who is this pope and what musical style is associated with him?

Answer: Pope Gregory I (Gregory the Great) / Gregorian chant