Biography of Roberto del rosario

Answer 1

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.

Answer 2

Roberto 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).

Answer 3

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.

Answer 4

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Answer 5

Roberto 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.

Answer 6

2003