I think part of the problem with singing (and acting) is that the first step is so easy. Anyone can grab a mike and sing on their first try. They probably won't be singing well, but they'll be singing. Same with acting. Anyone can stand on a stage and act the first day. It won't be good acting, but it will be acting.
Now compare that to playing trumpet, for example. You're not going to get even one note out of a trumpet the first day, or even the first week. You can't fake it. It takes years of work to be a competent horn player.
I think that to sing really well takes as much discipline and study as to play an instrument really well. I know some singers who have great ears and thorough understanding of music theory. They're great to work with. But I think many people are deceived by the ease of that first step into thinking that none of that is necessary.
Now compare that to playing trumpet, for example. You're not going to get even one note out of a trumpet the first day, or even the first week. You can't fake it. It takes years of work to be a competent horn player.
I think that to sing really well takes as much discipline and study as to play an instrument really well. I know some singers who have great ears and thorough understanding of music theory. They're great to work with. But I think many people are deceived by the ease of that first step into thinking that none of that is necessary.

