КОНЦЕПТ АРХІТЕКТУРИ WEB-ЗАСТОСУНКУ ДЛЯ ПОШУКУ ТА ПРОСЛУХОВУВАННЯ МУЗИЧНИХ КОМПОЗИЦІЙ

The work examines the peculiarities of the development of web applications for searching and listening to musical compositions. A scheme of the three-level architecture of the web application is proposed. The first level is the user interface (using React and Redux technologies). The second level is business logic (using the Nest.js framework). The third level is data access (using MongoDB databases in JSON format).