??????In 1975, the Filipino entrepreneur and piano company Roberto del Rosario also claimed to acquire invented the very first karaoke-form machine referred to as the "Sing-Along System" (SAS). The machine incorporated numerous features enclosed in only one transportable cupboard casing; together with an amplifier, a speaker, a double or one tape d

1. Introducing Cheonan’s multinational karaoke cultureCheonan is the central city of South Chungcheong Province, South Korea, and is a city that boasts convenient transportation close to Seoul and a rich historical background. In addition, it is a modern city where various industries and cultures are integrated, and multicultural elements are als