According to Catholic Online:
Bishop and missionary. With the patronage of Duke Thedo of Bavaria, he took over the deserted town of luvavum about 697, which was renamed Salzburg, Austria. Therefore he is directly responsible for one of the greatest movie musicals of all time. Were it not for him, there never would have been any frolicking in outfits made of drapes. No sixteen going on seventeen. And certainly no Climb Ev’ry Mountain. We are forever grateful. So Long, Farewell, Auf Wiedersehen, Goodnight.