THE PURPOSE OF THIS PAPER IS TO STUDY THE TASKS OF NATURAL LANGUAGE PROCESSING (NLP) IN MUSIC INFORMATION RETRIEVAL. MUSIC COMPUTATIONAL RESEARCH IN THE FIELD SUGGESTS THAT THE AREA OF NLP IS CLOSE TO RECENT RESEARCH IN MUSIC. SO WE CAN PROFIT FROM THIS SIMILARITY SEARCH NLP TECHNIQUES APPLIED IN MUSIC. IN THIS PAPER, THE SIMILARITY BETWEEN BOTH THE ABOVE DESCRIBED AREA. NLP LEVELS LISTED HERE REFER TO RELEVANT TASKS IN COMPUTATIONAL STUDY MUSIC. NLP BRIEF INTRODUCTION ABOUT THE HISTORY OF MUSIC IN THE BACKGROUND MAKES CLEAR THE FOLLOWING DIFFERENT ASPECTS OF THE RESEARCH ABOUT THE MUSIC, GIVEN ITS PROXIMITY TO THE NLP, IS INTRODUCED. FINALLY, RECENT RESEARCH ON MUSIC COMPUTATIONAL RESEARCH COMPARED WITH SIMILAR IDEAS IN NLP AND PRESENTED GUIDELINES FOR MUSIC INFORMATION RETRIEVAL.