This article caught my attention. He speaks the truth.
“This is why I love singers and all things singing. They may be the most wonderful engaging and inspiring people, they may be egotistical and in a couple of notable cases we all probably agree on, rather punchable. But fundamentally, they are heroes. I couldn’t do it, and I think that most people have no idea how many tears have been cried into pillows at night in pursuit of a dream that nobody realised was quite so hard.”
Click through to the whole thing; it’s a concise, strong read. (I do know some “punchable” singers, but even they are inspirational. :)