Simplify the following text for a Grade 7 native English-speaking person.
Original: He taught composition at the Berlin Hochschule fÃ 1\/4 r Musik ( the Berlin Conservatoire ) from 1890 until his retirement in 1910 .
Simplified: He taught composition at the Berlin Hochschule fÃ 1\/4 r Musik from 1890 until his retirement in 1910 .