Simplify the following text for a Grade 10 native English-speaking person.
Original: When Zubin Mehta left for the New York Philharmonic in 1978 , Fleischmann convinced Carlo Maria Giulini to take over as Music Director .
Simplified: When Zubin Mehta left to go to the New York Philharmonic in 1978 , Carlo Maria Giulini took over as Music Director .