Simplify the following text for a Grade 12 native English-speaking person.
Original: Salonen later took the orchestra on many other tours of the United States , Europe , and Asia , and residencies at the Lucerne Festival in Switzerland , The Proms in London , in Cologne for a festival of Salonen 's own works , and perhaps most notably , in 1996 at the ThÃ Ã cents tre du ChÃ cents telet in Paris for a Stravinsky festival conducted by Salonen and Pierre Boulez ; it was during this Paris residency that key Philharmonic board members heard the orchestra perform in improved acoustics and were re-invigorated to lead fundraising efforts for the soon-to-be built Walt Disney Concert Hall .
Simplified: Salonen later took the orchestra on many other tours of the United States , Europe , and Asia , and conducted regularly at the Lucerne Festival in Switzerland , the BBC Proms in London , in Cologne for a festival of Salonen 's own works , and , in 1996 , in Paris for a Stravinsky festival conducted by Salonen and Pierre Boulez . Today the orchestra play in the Walt Disney Concert Hall .