A Filipino by the name Roberto del Rosario holds the patent to the karaoke machine and created the Sing-along system that we all know and love. Del Rosario must have really considered what his fellowmen love to do because almost…

A Filipino by the name Roberto del Rosario holds the patent to the karaoke machine and created the Sing-along system that we all know and love. Del Rosario must have really considered what his fellowmen love to do because almost…