Here is Daisuke Inoue, the inventor of karaoke. He chose not to patent the machine because he wanted to "teach the world to sing" and never regretted it, despite the billion dollar industry his machine birthed. Photo of him and the very first karaoke machine ever made.
Cop: I pulled you over for running a red light Dog: You mean that gray light? Cop: That light wasn't gray, it was red Dog: Let's just agree to disagree..