He invented the Sing-Along Karaoke System. Unfortunately, he is still fighting for his rights for his invention.
Roberto del Rosario is the president of the Trebel Music Corporation. In 1975, he invented the Karaoke Sing Along System.
Robert del rosario contribution in science?
Roberto del Rosario is the president of the Trebel Music Corporation. In 1975, he invented the Karaoke Sing Along System.
is invented an miltiplyer to solve anything.
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.
Roberto Del Rosario was in his 30s when he invented the karaoke machine in 1975.
he thought of it
나도 몰라!ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
quasin kelly
November 25 1992 hes birthday ..... by:chenyenne jakaria
He is a Filipino who invented the Karaoke Sing Along system.
ernesto del rosario is a zoologist....that's all thank you
Casimiro V. del Rosario was a Filipino physicist, meteorologist, and astronomer. He conducted researches on ultraviolet light of different wavelengths and studied the effects of radioactive radiation on Euglena.