Simplify the following text for a Grade 8 native English-speaking person.
Original: Silvio Sergio Bonaccorsi Barbato ( born Candeias ( Minas Gerais ) ( Brazil ) , 11 May 1959 ; died either in or over the mid-Atlantic Ocean , on the Air France Flight 447 , 1 June 2009 ) was an Italian-Brazilian opera conductor and composer .
Simplified: Silvio Sergio Bonaccorsi Barbato ( 11 May 1959 - 1 June 2009 ) was an Italian-Brazilian opera conductor and composer . He died on board Air France Flight 447 .