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November 25 1992 hes birthday .....

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12y ago
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9y ago

Roberto del Rosario died at age 71, in August of 2003. He was a Filipino inventor who created the Sing Along System, better known today as Karaoke.

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9y ago

Manuel del Rosario died on 2009-03-23.

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Q: When was Roberto del rosario born?
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Roberto del rosario contribution in science?

Robert del rosario contribution in science?


What is contribution of Roberto del rosario?

Roberto del Rosario is the president of the Trebel Music Corporation. In 1975, he invented the Karaoke Sing Along System.


How old was Roberto Del Rosario when he invented the karaoke?

Roberto Del Rosario was in his 30s when he invented the karaoke machine in 1975.


Who has a biography of Roberto del Rosario?

나도 몰라!ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ


How did Roberto Del Rosario build the karaoke system?

he thought of it


Who invented kareoke?

quasin kelly


What the contribution of Roberto Del Rosario?

is invented an miltiplyer to solve anything.


When was Albert del Rosario born?

Albert del Rosario was born in 1939.


When was Ginnette Del Rosario born?

Ginnette Del Rosario was born in 1986.


When was Tomas del Rosario born?

Tomas del Rosario was born in 1857.


When was Norma del Rosario born?

Norma del Rosario was born in 1917.


When was Anacleto del Rosario born?

Anacleto del Rosario was born in 1860.