강남가라오케 In 1975, the Filipino entrepreneur and piano company Roberto del Rosario also claimed to own invented the main karaoke-kind device known as the "Sing-Along Technique" (SAS). The device provided multiple options enclosed in a single transportable cupboard casing; like an amplifier, a speaker, a double or one tape deck, https://kurtd222umd2.oneworldwiki.com/user