Music makes an environmental contact. Favorable and familiar music establishes a comfortable and safe environment at once. This leads to the ISO-Principle of music. Music is an emotional expression. Man uses music to express his emotions that are sometimes difficult to express through language.
Music is a form of communication.
Although music is not a universal language, this enables man to communicate with others. Music is structured and time ordered and its predictability provides a basis for anxiety control, cooperation, and purposeful engagement. Music triggers memory. Music associates with one's past experience instantly. Group participation that is facilitated easily with music leads to feeling needed by others and provides opportunities for peer approval and acceptance, as well as negative peer sanction for inappropriate behaviors.