Language is very important for human life because through it they can communicate with each other. Language is also used to communicate one's ideas, concepts, opinions, feelings and thoughts to other people. as well as a tool for personal growth and interaction with others. This research aims to find out how important it is to use Indonesian properly and correctly, what causes the widespread use of slang, especially among teenagers, and how slang influences the use of Indonesian. In processing the data in this article, the literature study method was used to study various literature. Slang has caused the decline of good and correct Indonesian language martabak. Today's society has been influenced by technological advances which have triggered the emergence of slang. National identity and Indonesian as an official language must be strengthened so that it is not influenced by slang.

This research aims to describe increasing teacher understanding of music theory material. As an arts and culture teacher, you don't just focus on one area of ??art, but you have to master all the material, including music, fine arts, theater and dance. One of the basic materials that teachers must master is basic music theory. There are still many teachers who do not understand the basic theory of music, even though this theory is the initial provision in learning music such as vocals. The method used is descriptive qualitative with pretest and posttest questionnaire data collection techniques, observation and interviews. The research was conducted for one week, the results showed an increase in understanding of basic music theory material by 97.8%. This can also be proven by the results of singing the score for the song Tanoh Lon Sayang according to the actual punctuation
 
 

This research aims to determine the love and affection needs of the character Ningrum in the novel Perempuan Shadow using the humanistic psychological theory of hierarchy of needs by Abraham Maslow. The problem formulation for the novel Perempuan Shadow by Netty Virgiantini is the research object because based on the author's observations, no researcher has analyzed this novel specifically using a literary psychology approach. The method applied in this research is qualitative descriptive analysis. The results of this research are physiological needs, security needs, love and affection needs for the character Ningrum in the novel Perempuan Shadow, but the needs for self-esteem and self-actualization have not been found in the character Ningrum in the novel Perempuan Shadow.

The Eyang Djoego Heritage Carnival tradition is a cultural activity that takes the form of tradition and is carried out every year. The heritage carnival activity was carried out by the community in Jugo Village, Kesamben District, Blitar Regency. This tradition is carried out every year on Legi Sunday in the month of Sela, this is the calculation of dates and months in Javanese tradition. The implementation of the Eyang Djoego Heritage Carnival Tradition is a form of respect for the village ancestor named Eyang Djoego and as a form of community gratitude because with his services he was able to make the residents of Jugo Village live prosperously and have enough because the harvest was so abundant. The focus of this research discusses the origins, procedures, what ubarampe is and the meaning of ubarampe, as well as the function of this traditional activity. This research uses the half-lisa folklore theory of James Danandjadja. The research design used is a qualitative descriptive method, the data sources used in the research are primary and secondary as well as oral and non-verbal data. The results of research from the Eyang Djoego Heritage Carnival Tradition produce meanings that are related to culture. This research discusses the origins of the heritage carnival tradition which originated and developed in Jugo Village. These traditional activities are also enlivened and supported by the people in Jugo Village.