Simplify the following text for a Grade 6 native English-speaking person.
Original: Die Meistersinger von NÃ 1\/4 rnberg ( The Mastersingers of Nuremberg ) is an opera in three acts , written and composed by Richard Wagner .
Simplified: Die Meistersinger von NÃ 1\/4 rnberg ( The Mastersingers of Nuremberg ) is an opera by Richard Wagner .