Speech is primary way of communication among humans and it is divided into verbal speech (words and voice) and non-verbal speech (gestures, facial expressions, body posture). However, people also communicate through art, so many messages can be read through songs, paintings, dance, architecture... Songs are good example how it's possible to successfully wrap a difficult topic in a cheerful and light melody. This thesis will present an analysis of correlation between melody and words of several world-famous songs and what their influence has brought to the understanding of the message artist wanted to shared. Thesis will also revealed how this same premise works in everyday communication between people when words and voice are matched or mismatched. The aim of this paper is to investigate and determine how much words and voice influence the respondent, that is, the understanding of what was heard and the stimulation of his emotions during communication. Target group is younger population, whose growing up with social networks and their use shaped the way they perceive and understand communication. The work could be useful for students in field of social sciences, but also for everyone else because knowledge of proper communication is crucial for healthy relationships. It is important to know how to convey desired message and truly understand what the speaker wants to say. Methods used for the theoretical part are method of description when clarifying facts and definitions and method of classification. Using the classification method, certain information was structured to make work as transparent as possible. In theoretical part of work, there were used books, professional and scientific works and articles from relevant web portals. In addition to theoretical work, there were analysed songs and live research was conducted at universities of Vern and Sjever using a questionnaire containing audio recordings and questions.