Simplify the following text for a Grade 5 native English-speaking person.
Original: Osceola is famous for its role in the development of blues music , and many famous blues musicians either came from Osceola or performed there . To celebrate this heritage , Main Street Osceola has been hosting the Osceola Heritage Festival since 1998 .
Simplified: Osceola is a city of the state of Arkansas in the United States of America .