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
 
 

Technological developments and changes in the curriculum are challenges for teachers to overcome. Presenting digitalized learning and digitalized learning tools is a necessity that needs to be prepared well. A training program that focuses on strengthening teacher literacy and competency in developing digitalized Modul Ajar in Kurikulum Merdeka is the aim of this community service activity. Modul Ajar in Kurikulum Merdeka itself is one of the key learning tools in the learning process, so it needs to be developed well. Systematically, teachers have been given training ranging from socialization activities, demonstrations, mentoring, to evaluation design so that teacher literacy and competence develops. With this activity, not only does teacher literacy and competence develop, but the learning process becomes better quality so that students' learning outcomes can increase.

The early literacy abilities of Group B children in Aisyiyah Bustanul Athfal Slogo Kindergarten have not developed well. This study aims to improve children's early literacy skills through fun playing with loose parts media. This research is a Classroom Action Research. The research subjects were 5 children in Group B. Data collection techniques were carried out using observation and documentation. The tool used is an observation instrument sheet. The data analysis technique was carried out in a quantitative descriptive manner. The success indicator set is that 75% of 5 children have early literacy skills. This research was carried out in two cycles. The results showed that the ability to recognize the early literacy abilities of Group B children at the Pre-action stage was 820%, in Cycle I as much as 50%, and in Cycle II as much as 80%. The percentage gain in Cycle II proves that this research has achieved an indicator of success, namely the child's early literacy ability has increased by 75%. Research steps that can improve early literacy skills are carried out by playing like-like, using real loose parts media and being around the environment. Based on the results of the study, it can be concluded that this activity can improve early literacy skills in Group B at Aisyiyah Kindergarten Bustanul Athfal Slogo.