Related Information for Parni Valjak Parni valjak ("Steamroller") is a Croatian and former Yugoslav rock band, formed in 1975. They were one of the top acts of the former Yugoslav Rock scene, and one of the top rock-and-roll bands in Croatia.On their first record, the members of the Zagreb group said that they were a rock 'n' roll band. They then proved it with numerous successful live appearances. On their second album, they promised that they were willing to go headlong through walls, while on their third albu.. read more