National minorities are finding themselves in an increasingly dissatisfactory position in Croatia, Europe, and elsewhere in the world. The European Union offers many tools for the protection of national minorities, they are still the target of prejudice, insults and violence, especially by the right-wing radicals. The Republic of Croatia is one of the signatories to many documents that guarantee national minorities the freedom of expression. In the Republic of Croatia, there are also special schools for certain groups of national minorities, and minorities are often included in the education system with other students. This paper investigates the presence of musical culture of national minorities in Music textbooks in elementary schools. The results of the research showed that the cultural heritage of national minorities is largely neglected in textbooks and that it is necessary to pay more attention to the representation of their musical art. Also, other data showed that the minorities most represented in textbooks are: Slovak, Austrian, German and Italian national minorities. In order to keep the promises from charters, the Constitution and conventions, it is necessary to rethink the way the curriculum is structured and leave more space for the culture of national minorities.