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