I vehemently disagree with this statement. I have a few musician friends who now that they're over 40 and their rockstar career is over and they are settled and

I vehemently disagree with this statement. I have a few musician friends who now that they're over 40 and their rockstar career is over and they are settled and have family and all that, they are making a living by composing jingles for TV commercials. More than 50% of their income comes from royalties.