The results of the preliminary study in RA Al-Wafi's group showed that, there were several problems related to the use of gadgets with language development including many parents who relied on gadgets to make their children become "calm" or not fussy by tipping video shows or opening youtube. The purpose of this study is to find out the use of gadgets; language development and the relationship between the use of gadgets and the development of early childhood language. The method used is quantitative correlation. Data collection techniques in this study were through interviews / conversations and observations. The results of calculations on variable X obtained an average value of 1.76. This value is in the interval 1.1 - 2.0 with sufficient categories. Whereas, the Y variable obtained an average value of 2.66. This value is in the interval 2.1 - 3.0 in the good category. The relationship between the use of gadgets and the development of early childhood language is obtained by the correlation coefficient of 0.08. This correlation coefficient number is included in the very weak category because it is in the interval 0,000 - 0,199. The results of the significance test obtained the price of tcount = 0.54 smaller than the price of t table = 2.012. This means that Ho is accepted, in other words there is no significant positive relationship between the use of gadgets and the development of early childhood language. The amount of contribution / influence of the use of gadgets to the development of the language of early childhood is only 0.64%. This shows that 99.36% of language development in early childhood is influenced by other factors.

String Quartet is the most popular form of Chamber Music. In a string quartet there are no conductors as leaders, directors and music coordinators, no wonder many quartets end up disbanding due to problems. Marskanskey String Quartet is a group from Jogja that has been around for a long time and has more achievements, although based on initial observations this group looks the same as other groups. This research was appointed to find out what aspects of ensemble skills, how to apply ensemble skills in the Marskanskey group. To explore how the application of ensemble skills in the Marskanskey group, the author discusses the case with Keller's theory of ensemble skills. The author's theory considers that he is able to describe the discourse thoroughly, comprehensively and deeply, namely skills from the rehearsal process to performances. This research is a qualitative research with a case study approach. The results showed that Marskanskey had applied ensemble skills both in rehearsal and concert. With strategies in practice, including self-preparation until perfomances can influencing and supporting the success of a group to achieve maximum sound production. Interestingly, the researchers found a shift in function in the use of cues, as well as limitations in Keller's theory, namely the online cog-motor ensemble skill that occurs automatically.

Communication is one of the most important aspects in achieving early childhood development tasks. Children who have difficulty communicating will have difficulty adjusting to their peers and their environment. The purpose of this study was to develop an instrument of interpersonal communication scale for early childhood. This study used research and development (R&D) methods. The sample involved in this study amounted to 49 early childhood children in the city of Bandung and its surroundings. The results showed that: 1) the content validity carried out by five experts with the Aiken formula calculation showed a score of 0.87 with 20 valid items out of 33 items; 2) the reliability test of the instrument using the Cronbach Alpha formula obtained a score of 0.952; 3) KMO value was 0.863; 4) Barlett's Test obtained was 0.00; 5) the anti-image correlation and the communality test did not invalidate any items therefore there were 20 items in the good category; 6) the total variance of explain with a percentage of 71,449%; and 7) of the 20 factors, there were 3 factors that could explain the total diversity.