Roberto del Rosario

Buto Buto jutso
Born
Roberto Legaspi del Rosario

June 7, 1919
Pasay, Philippine Islands
DiedJuly 30, 2003 (aged 84)
NationalityFilipino
CitizenshipFilipino
Known forPatentholder for the Sing Along karaoke system.
Notable workInventor Of Sing Along Karaoke
Voice Color Tape

Roberto Legaspi del Rosario (June 7, 1919 – July 30, 2003) was a Filipino entrepreneur; best known as the patentholder of the Sing-Along System, a type of karaoke appliance he developed in 1975. From his entrepreneurial initiative to patent a karaoke system first, he frequently, albeit arguably, became referred to as "the inventor of Karaoke".