The Archives and Research Group for 20th-21st Century Hungarian Music was established on July 1, 2012 at the Institute of Musicology of the HAS Research Centre for the Humanities within the Momentum Program of The Hungarian Academy of Sciences. Its primary aim is to collect, archive, analyze and interpret the documents of 20th century Hungarian music as well as to make them available for researchers, and also to publish the results of its researches for the professionals and the broader public. The Archives and Research Group aims at collecting a great deal of sources not only from fields of classical and contemporary music but the processing of 20th century entertaining and popular music in Hungary belongs also to its scope of activities. Documents preserved in the archives are parts of the Hungarian cultural heritage. A declared goal of the establishers and maintainers of the collection is also to promote Hungarian music of 20th and 21st centuries in the international music scene.