Two-part singing in narrow intervals is a distinctive style of folk music from the Primorje region and Istria, although it can also be found beyond these areas. It is based on non-tempered tonal relationships and a characteristic timbre achieved in vocal music through powerful, partially nasal singing.

Most tonal sequences consist of four to six tones, with improvisation and variation occurring in both parts during performance, while unison or octave conclusions remain strictly adhered to. This style is defined by a unique relationship between text and music, and its metrorhythmic and formal structures range from simple to highly complex patterns. Traditional instruments like sopela or mih accompany the performances. 

In 2009, the two-part singing in narrow intervals of the Croatian Primorje and Istria was inscribed on UNESCO’s List of Intangible Cultural Heritage as one of the most distinctive and complex styles of folk music.

Krk’s traditional attire belongs to the Mediterranean type of folk dress. Men’s costume: A cap, white cotton shirt, black trousers with a gathered back panel, calf-length leggings, and a vest adorned with decorative details indicating the wearer’s part of the island.

Women’s costume: A white blouse, narrow underskirt, several wide underskirts, a skirt with a fitted bodice, and a characteristic headscarf (rubac), whose arrangement reveals the wearer’s origin.