MEDITATION IN O. MESSIAEN'S CREATIVE WORKS
The author considers the questions of new composition forms in the music of the XX <sup>th</sup> century, in particular, by the material of the French theorist-performer Olivier Messiaen's organ creative works considers the notion of meditation, in relation to it touches upon the question of open and closed forms in the music of the XX <sup>th</sup> century, and comes to the conclusion that as one of the most characteristic features of the composer's style, it becomes not only a new category of form and musical implementation, but also incorporates all the basic complex of Messiaen's artistic-aesthetic views on the musical world and its laws.