Listen to Slavuji Popevku Su V Krali online. Slavuji Popevku Su V Krali is a Croatian language song and is sung by Kvartet Studio. Slavuji Popevku Su V Krali, from the album Gold Collection (Julije Njikoš), was released in the year 2016. The duration of the song is 4:32. Download Croatian songs online from JioSaavn.