narodni

1. folk
   Na svadbi je svirala narodna muzika. — Folk music was playing at the wedding.
   Baka je obukla narodnu nošnju. — Grandma put on a folk costume.
2. national
   Narodna banka je objavila novi kurs. — The National Bank announced a new exchange rate.
   Večeras idemo u Narodno pozorište. — We're going to the National Theatre tonight.
3. people's; popular
   Vlast mora da poštuje narodnu volju. — The government must respect the will of the people.
   Ulica nosi ime narodnog heroja. — The street is named after a people's hero.

In Serbia narodna muzika often means modern pop-folk, not only traditional music.