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He never wanted anyone to know his real age. When he passed away in 2003, everyone who attended his wake thought he was 20 years younger. Hint: he would have lived a much longer life if it weren't for the medical carelessness of his opthamologist in the Philippines.
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∙ 15y ago
Roberto del Rosario was a Filipino inventor known for creating the Karaoke Sing-Along System in 1975, which became a global phenomenon. He also invented other innovative devices such as the Trebel Control Device and the Sing-Along System for videoke. Del Rosario was a prolific inventor and his contributions have had a lasting impact on the music and entertainment industry.
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∙ 9y agoRoberto del Rosario, patented more than twenty inventions, making him one of the most prolific Filipino inventors. He is the president of the Trebel Music Corporation and the inventor of the Karaoke Sing Along System (1975).
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∙ 10y agoA+ quality experts can provide you with immediate and full original answer on this question online 24/7. Get help: essaysreasy.org/answers
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∙ 9y agoRoberto del Rosario is a Filipino inventor who is credited with having invented the karaoke machine. He started the Trebel Music Corporation, and his wife is Eloisa Beltran.
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∙ 11y ago2003
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Who has a biography of Roberto del Rosario?
나도 몰라!ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
Roberto del rosario contribution in science?
Robert del rosario contribution in science?
Roberto del Rosario short biography and contribution?
Roberto del Rosario was a Filipino inventor known for his contribution to the development of the karaoke machine. He patented the "Sing-Along System" in 1975, which laid the foundation for modern karaoke technology. Del Rosario's innovation revolutionized the entertainment industry and has become a popular form of interactive entertainment worldwide.
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.
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 Roberto del rosario born?
November 25 1992 hes birthday ..... by:chenyenne jakaria
What did Roberto del rosario invent?
He is a Filipino who invented the Karaoke Sing Along system.
What is the Contribution of Roberto del Rosario?
He invented the Sing-Along Karaoke System. Unfortunately, he is still fighting for his rights for his invention.
What has the author Rosario Forlenza written?
Rosario Forlenza has written: 'La Repubblica del Presidente' -- subject(s): Politics and government, Presidents, Biography
