One of the most important concepts in music is surely rhythm, although rhythm exists in all spheres of life and action and has significant impact on humans. Starting from primitive cultures, through Greek philosophers who dealt with the systematization of the rhythm, until our time, rhythm and its importance have been grately discussed. Over the centuries, there were many definitions that sought to express the comprehensiveness of the rhythm. Rhythm is one of the oldest form of communication that plays a major role in child´s development. Since the concept of rhythm is abstract it is important to concretize it so children could learn it more easily. Apart from rhythmic syllables and spoken durations, this could also be achieved through musical games and counting rhymes. Music creativity is one of the teaching areas of the subject glazbena kultura in which the aforementioned musical creativity can be achived and in purpose of developing rhythmic abilities. The main purpose of this thesis is to analyze the occurrence of rhythmic structures in the songs of the textbook Razigrani zvuci 1, for the first grade of primary school. After the analysis the conclusion is that there is the highest number of eighth note in nineteen out of twenty-eight songs, followed by quarter notes in eight songs. The most common measures are 4/4 and 2/4 and also quarter notes are set as basic units of measurment.