Simplify the following text for a Grade 8 native English-speaking person.
Original: One of the most recent compositions referencing a Requiem is the piece Lux Aeterna ( commonly known under the name Requiem for a Dream ) , written by Clint Mansell .
Simplified: For example Mozart 's Requiem follows this . In his requiem , the Lux aeterna ( written by someone else ) is the same as the Introitus , with different words .