Simplify the following text for a Grade 6 native English-speaking person.
Original: When Bron left Russia in 1987 to teach at the Royal Academy of Music ( RAM ) , Vengerov and his mother followed him there , and did so again after Bron moved to LÃ 1\/4 beck to open a school there .
Simplified: When Bron left Russia in 1987 to teach at the Royal Academy of Music in London , Vengerov and his mother followed him there . They also followed Bron when he moved to LÃ 1\/4 beck to open a school there .