Simplify the following text for a Grade 8 native English-speaking person.
Original: Sargent had himself been a pupil\/assistant organist or ` Articled Pupil ' at Peterborough Cathedral in 1909 and it was to Peterborough that Vann moved next , being appointed Master of the Music in 1953 .
Simplified: In 1909 Vann became Master of the Music in Peterborough Cathedral .