Simplify the following text for a Grade 10 native English-speaking person.
Original: His friendship with musicians Itzhak Perlman , Zubin Mehta , and Pinchas Zukerman , and marriage to du PrÃ led to the famous film by Christopher Nupen of their Schubert `` Trout '' Quintet .
Simplified: There is a famous film by Christopher Nupen of them playing Schubertâ s `` Trout '' Quintet with Itzhak Perlman , Pinchas Zukerman and Zubin Mehta .