The patent holder with the karaoke equipment is Roberto del Rosario, who is from your Philippines. He developed the karaoke's sing-alongside process in 1975 and is also regarded as the only holder of a patent for your karaoke system on the planet.[20] Afterwards developments[edit] From gorgeous sunsets to lively evenings https://xn--939au0g6rj1ue34n9rrf5c.online/