Simplify the following text for a Grade 6 native English-speaking person.
Original: In contrast , BartÃ k and KodÃ ly discovered that the old Magyar folk melodies were based on pentatonic scales , similar to those in Asian folk traditions , such as those of Central Asia and Siberia .
Simplified: BartÃ k and KodÃ ly showed that there were other traditions beside these . They found music which used pentatonic scales similar to those used in some parts of Asia .