 There he was noticed by maestro Zdravko Šljivac who offered him a collaboration and publicly praised him by saying that a singer such as Houdek is born once every 300 years.The next month, Houdek signed an exclusive contract with Croatia Records, the leading music publisher in the region, with whom he has produced 13 albums.In 2004, he provided the singing voice of Aladdin for the Croatian dub of the "Aladdin" franchise, with Dušan Bućan voicing the character for the dialogues.