Simplify the following text for a Grade 8 native English-speaking person.
Original: Jacopo Peri ( 20 August 1561 -- 12 August 1633 ) was an Italian composer and singer of the transitional period between the Renaissance and Baroque styles , and is often called the inventor of opera .
Simplified: Jacopo Peri ( born Rome , 20 August 1561 ; died Florence , 12 August 1633 ) was an Italian composer and singer .