By Sir Robin Millar Prejudices against hiring workers with disabilities is a lose-lose game, writes Sir Robin Millar, the founder of Blue Raincoat Music and chairman of Scope, in today’s Notebook Making it in the music industry Each one of us has one thing that we do better than anything else and our obsession must be to find out what it is, then pursue it over every obstacle in our way. Mahatma Gandhi’s obsession was to win independence for India. He succeeded. Thomas Edison’s was the incandescent light bulb. He failed over 9,999 times before he perfected it. I thought I wanted to be a rock s…