Simplify the following text for a Grade 8 native English-speaking person.
Original: Beginning in 1990 , television and radio stations annually play her song `` Kawa no Nagare no YÅ ni '' on her birthdate to show respect .
Simplified: Beginning in 1990 , television and radio stations play her song `` Kawa no nagare no yÅ ni '' on her birthdate each year to show respect .