호치민 가라오케 大人気エ?�タ?�ユ?�ッ?�「す?�ぷ?�」の楽曲他、メ?�バ?�の楽曲?�《本人映?�》多?�配信中�?In contrast to Inoue, del Rosario patented the "Sing-Together System" (issued in 1983 and 1986) which is acknowledged as the only real holder of a patent for a karaoke procedure on this planet following he received a patent infringement case from a Chinese business from the 1990s. per https://edwardy840bay6.blogoscience.com/profile