November 25 1992 hes birthday .....
by:chenyenne jakaria
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.
Manuel del Rosario died on 2009-03-23.
Norma del Rosario was born in 1917.
Anacleto del Rosario was born in 1860.
Martin del Rosario was born on November 25, 1992.
Gina Del Rosario was born on 1986-05-12.
He is a Filipino who 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.
Roberto Del Rosario was in his 30s when he invented the karaoke machine in 1975.
나도 몰라!ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
he thought of it
quasin kelly
is invented an miltiplyer to solve anything.
Albert del Rosario was born in 1939.
Ginnette Del Rosario was born in 1986.
Tomas del Rosario was born in 1857.
Norma del Rosario was born in 1917.
Anacleto del Rosario was born in 1860.